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### Description of PR
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Summary:
Fixes #16279, update platform_tests/power_off_reboot.py to support T2 devices

### Type of change

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- [x] Bug fix
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- [x] Bug fix
- [ ] Testbed and Framework(new/improvement)
- [ ] Test case(new/improvement)

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

### Approach
#### What is the motivation for this PR?
Test failures on T2 devices
#### How did you do it?
Change check for power on each PDU to check for power on sets of PDUs (by PSU), add duthosts argument to `reboot_and_check` function to support sup cards
#### How did you verify/test it?
Perform regression test on T1 https://elastictest.org/scheduler/testplan/677b439de1be6860ea024869?testcase=platform_tests%2Ftest_power_off_reboot.py&type=console

Perform test on T2 to ensure these failures are gone (still failure in #16289)
#### Any platform specific information?
N/A
#### Supported testbed topology if it's a new test case?
N/A
### Documentation
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