phosphor-post-code-manager: srcrev bump 655837973f..993d4dd9dc

ZhikuiRen (1):
      Add timestamp to BIOS POST Codes log and DeleteAll interface

Change-Id: I5802d696df587a42225d23551e5a7724fcd3600d
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>