[202012][swss/swss-common/utilities/kernel] Update submodule (#7487)

* [202012][swss/swss-common/utilities/kernel] Update submodule

sonic-swss:
- [Monitor Vlan] Fix a typo in hostif (#1722)
- Update pool sizes during initialization from timer only (#1708)
- [SflowMgr] SamplingRate Update by Speed Change Added (#1721)

sonic-swss-common:
- [swss-common] Add MUX Metrics Table (#482)
- [azp] Purge swss before installing the newly built deb package (#472)

sonic-utilities:
- disk_check: Check & mount RO as RW using tmpfs (#1569)
- No more IP validation as it is more likely a URL (#1555)
- Stop PMON docker before cold and soft reboots (#1514)
- Add soft-reboot reboot type (#1453)
- [acl] Use a list instead of a comma-separated string for ACL port list (#1519)
- sonic-installer: fix py3 issues in bootloader.aboot (#1553)
- Fix unsupported fs.squashfs extraction in sonic-installer (#1366)
- [show][config] cli support for firmware upgrade on Y-Cable (#1528) (#1558)

sonic-linux-kernel:
- [Mellanox] backport kernel patches for hw-management 7.0100.2303 (#211)

Signed-off-by: Danny Allen <[email protected]>

* Update utilities w/ build fix

Author: daall