[sonic-platform-common] Update submodule (#6041)

Commits include:

* src/sonic-platform-common d912db6...fa0aaa6 (3):
  > [sonic_sfp]: add logical_to_asic dict (#141)
  > [sonic_pcie][sonic_ssd] Make Python 3-compliant (#150)
  > [eeprom_base] Close lock file after unlocking (#149)