…7060X6-64PE-B-C448O16 in sonic-mgmt (sonic-net#179)

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### Description of PR
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Summary:
Add hwsku Arista-7060X6-64PE-B-C512S2 and Arista-7060X6-64PE-B-C448O16
into sonic-mgmt

### Type of change

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- Fill x for your type of change.
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- [x] Bug fix
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- [ ] Bug fix
- [ ] Testbed and Framework(new/improvement)
- [ ] New Test case
    - [ ] Skipped for non-supported platforms
- [ ] Test case improvement

### Back port request
- [ ] 202012
- [ ] 202205
- [ ] 202305
- [ ] 202311
- [ ] 202405
- [ ] 202411

### Approach
#### What is the motivation for this PR?
Fix couldn't find interface error during add-topo:

#### How did you do it?

#### How did you verify/test it?
Run add-topo on physical testbed, not seeing interface errors anymore.

#### Any platform specific information?

#### Supported testbed topology if it's a new test case?

### Documentation
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(If it's a new feature, new test case)
Did you update documentation/Wiki relevant to your implementation?
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Includes below sonic-snmpagent commits
```
dfde06e 2021-01-13 | Revert "[rfc1213] Interface MIB add l3 vlan interfaces & aggregate rif counters (sonic-net#169)" (sonic-net#191) [Stepan Blyshchak]
45edd7e 2021-01-04 | [snmpagent] Fix hardcoded qsfp lane count by reading sensor status from DB (sonic-net#184) [Junchao-Mellanox]
3b72a6f 2021-01-02 | Fix: handle empty LOC_CHASSIS_TABLE (sonic-net#190) [Qi Luo]
4aad821 2020-12-29 | [sysName]: Implement sysName OID (sonic-net#185) [SuvarnaMeenakshi]
8efb4bb 2020-12-29 | [rfc1213] fix counter value type (sonic-net#189) [Stepan Blyshchak]
025483a 2020-12-23 | [RouteUpdater]: Fix multi_asic mock function implementation and multi_asic variable name (sonic-net#186) [SuvarnaMeenakshi]
381ae47 2020-12-10 | [mibs] b'VLAN_TABLE:' -> 'VLAN_TABLE' (sonic-net#181) [Stepan Blyshchak]
e54036c 2020-12-09 | [rfc1213] Interface MIB add l3 vlan interfaces & aggregate rif counters (sonic-net#169) [Stepan Blyshchak]
fd1eae7 2020-11-24 | Set swsscommon logging level (sonic-net#178) [Qi Luo]
706d504 2020-11-23 | Improve MockRedis _encode(): so it will work on all types of value (sonic-net#179) [Qi Luo]
64c93a1 2020-11-16 | [RFC4292][Namespace]: Fix implementation of RouteUpdater for multi-asic platform (sonic-net#176) [SuvarnaMeenakshi]
b8f19ee 2020-11-12 | [sonic-snmpagent] SONiC physical entity mib extension (sonic-net#168) [Junchao-Mellanox]
6b94ec3 2020-11-05 | Replace swsssdk.SonicV2Connector with swsscommon.SonicV2Connector (SWIG wrapper of C++ implementation) in production code (sonic-net#162) [Qi Luo]
```

Signed-off-by: Stepan Blyshchak <[email protected]>
Co-authored-by: Qi Luo <[email protected]>

…sonic-net#14120)

linkmgrd:
* 046bdd0 2023-03-06 | [active-active] add state transition handler for (LinkProber: Unknown, MuxState: Active, LinkState: Down) (sonic-net#179) (HEAD -> 202205) [Jing Zhang]
* 15ba715 2023-03-06 | loose link down swithcover condition (sonic-net#178) [Jing Zhang]

utilities:
* 51d9c9f6 2023-03-06 | [warm/fast-reboot] Backup logs from tmpfs to disk during fast/warm shutdown (sonic-net#2714) (HEAD -> 202205) [Vaibhav Hemant Dixit]
* 03aa77b3 2023-03-02 | [ci] Fix pipeline issue caused by sonic-slave-* change. (sonic-net#2709) [Liu Shilong]
* 4bd7d4f1 2023-03-03 | [db_migrator] Add missing attribute 'weight' to route entries in APPL DB (sonic-net#2691) [Vaibhav Hemant Dixit]
* 69a60397 2023-03-01 | removed duplicates and resolved conflicts (sonic-net#2674) (github/202205) [kannankvs]

platform-daemon:
* 10bc119 2023-03-06 | [ycable] add changes for correcting telemetry values for 'active-active' (sonic-net#341) (HEAD -> 202205) [vdahiya12]

Signed-off-by: Ying Xie <[email protected]>

…ically (#25039)

#### Why I did it
src/sonic-restapi
```
* df38186 - (HEAD -> 202511, origin/202511) [Pfx_len] Extend prefix length for routes and advertisement (sonic-net#182) (9 days ago) [mssonicbld]
* c80e7a8 - Changing the wildcard matching logic for client cert common names (sonic-net#179) (2 weeks ago) [mssonicbld]
* 6770863 - Adding support for wildcard CN matching during client cert authentication (sonic-net#177) (2 weeks ago) [mssonicbld]
* a521a1b - [202511] upgrade debian to bookworm (sonic-net#174) (2 weeks ago) [yijingyan2]
```
#### How I did it
#### How to verify it
#### Description for the changelog

sonic-net#15576)

#### Why I did it
src/linkmgrd
```
* fc6e299 - (HEAD -> 202211, origin/202211) [active-standby] Enforce switchover based on heartbeats when mux probe keeps failing (sonic-net#184) (2 hours ago) [Jing Zhang]
* 5c6332d - Re-handle pre-init mux config notification after state machine init (sonic-net#202) (2 hours ago) [Longxiang Lyu]
* c49a5ef - [active-standby][bsl] fix no mux probe issue (sonic-net#201) (2 hours ago) [Jing Zhang]
* 2d62ef1 - Enable debug symbols (sonic-net#199) (2 hours ago) [Longxiang Lyu]
* f952b64 - [active-active] Add mux server state correction mechanism (sonic-net#191) (2 hours ago) [Longxiang Lyu]
* e6b1bfc - [ci] fix azure pipeline (sonic-net#190) (2 hours ago) [Jing Zhang]
* 615ed21 - [active-standby] Enforce switchover based on heartbeats when mux probe keeps failing (sonic-net#184) (2 hours ago) [Jing Zhang]
* 3adfc69 - [active-active] add state transition handler for (LinkProber: Unknown, MuxState: Active, LinkState: Down) (sonic-net#179) (2 hours ago) [Jing Zhang]
* 6fb9a0b - loose link down swithcover condition (sonic-net#178) (2 hours ago) [Jing Zhang]
* 8ffbd8a - [ci] Fix apt-get install unable locate package issue. (sonic-net#177) (2 hours ago) [Liu Shilong]
* 3dfbdd7 - [active-active] link operational down didn't trigger toggle to standby if `MuxUnknown` event arrives first.  (sonic-net#175) (2 hours ago) [Jing Zhang]
* 68c06d9 - [active-active] Toggle to standby if default route is missing (sonic-net#171) (2 hours ago) [Longxiang Lyu]
* 1592cd3 - [active-active] fix issue that interfaces get stuck in `active` if service starts up with link state down (sonic-net#169) (2 hours ago) [Jing Zhang]
* a96105f - Fix the warning of unused variables (sonic-net#167) (2 hours ago) [Longxiang Lyu]
* 984ffe3 - Fix mux config when gRPC connection is lost (sonic-net#166) (2 hours ago) [Longxiang Lyu]
* 4d0b457 - [active-active] force switch when config == active && target state == active (sonic-net#164) (2 hours ago) [Jing Zhang]
* 32bd2bb - Use github code scanning instead of LGTM (sonic-net#157) (2 hours ago) [Liu Shilong]
* 6f23fe2 - [active-active] update linkmgr health label definition (sonic-net#163) (3 hours ago) [Jing Zhang]
```
#### How I did it
#### How to verify it
#### Description for the changelog