[sonic-utilities] Update submodule

[jleveque]

• src/sonic-utilities 09806b8...ee56d54 (29):

  [fast-reboot] Stop services after killing containers to prevent automatic restart (Remove Deprecated Dockers #572)
  [acl_loader]: Fix show mirror_session error ([dockers]: Disable autorestart on all supervised processes inside containers #580)
  [Mellanox] Improve the prompt of the Mellanox sdk sniffer command. ([swss]: Update submodule #546)
  Generate interface table to have an entry for default VRF ([sonic-utilities]:update submodules #525)
  [show] Don't abort in InterfaceAliasConverter ctor if PORT table doesn't exist ([swss]: Update swss/common submodules #571)
  [fast reboot] stop removing opennsl module before reboot ([image]: build debug symbol packages for swss-common, libsairedis, li… #560)
  Modified CLI doc for 201904 release, changed the config interface command, etc., ([Broadcom]: Update Broadcom SDK to 3.2.2.2-4 #561)
  [PR template] Add reminder to update Command Line Reference Guide if modifying user-facing commands (Add Ingrasys S8900 series platform #569)
  [Sonic-utilities]: Added commands to view acl and port running configs ([aboot]: refactor boot0.j2 to support one image SONiC-to-SONiC upgrade #557)
  [warm-reboot] Use retryCount option of orchagent_restart_check program ([docker-syncd-*-rpc] Fix issue which prevented supervisord to start #555)
  [scripts]: add support to db_migrator for non-default unix socket (Temporary Revert "Update MLNX SAI revision reference (#540)" #551)
  [show]: Edit comment ([sonic-utilities]: Update submodule #549)
  [intfutil] Fix error when specified in show interface related commands (No such file or directory #include <switch_sai_rpc_server.h> #548)
  Add buffer pool watermark support in watermarkstat and counterpoll (teamd: Error: either "dev" is duplicate, or "boot" is a garbage. #521)
  [config]: Add config acl add/remove table command ([mellanox]: Update hw-management to V1.0.0070 #541)
  [show]: Add show policer command (Update MLNX SAI revision reference #540)
  IP Address validation check ([oneimage]: add redis-load-dump tool in one image #530)
  [show] Remove ability to clear counters from 'show' commands ([swss]: Update sonic-swss to enable SAI_NUM_ECMP_MEMBERS option in sai.profile #518)
  Add SONIC CLI Manual ([rc.local]: Copy saved minigraph if available. #533)
  'show vlan config' not displaying the VLAN members, after the clear config and reload with default l2 configuration. (Revert 432 taoyl/acl dhcp #457)
  use vlan members (add an option to specify the baud rate for sonic #542)
  [config]: Add --policer option for mirror session ([sonic-utilities]: Update submodule #537)
  [acl_loader]: Add policer attribute in show mirror_session command ([Broadcom]: Update debian package versions #538)
  [acl_loader]: Do not apply default DENY rule for MIRRORV6 table (Use syncd-rpc for docker-syncd-rpc #522)
  [sonic_installer] If asked to install an image which is already installed, simply set as default ([oneimage]: use loop variable to get image dir in /proc/cmdline for aboot image #534)
  [201811] enable DB migrator code ([Accton]as7512-32x: change console speed to be 115200 as BIOS's & ONI… #536)
  update scheme variable name ([platform] Add as7512 sfp/eeprom utils #531)
  Config interface Loopback0 ip add/del is not working ([libsaithrift]: Add libsaithrift debian packages #443)
  decode-syseeprom : added new option to show the Product Name. ([sonic-cfggen:] refactor and move parse_port_config to sonic_platform.py #496)