openpower-vpd-parser: srcrev bump 9f255f5c5c..393c0fade4

Anupama B R (1):
      Correlated JSON config file for DBus properties

Souvik Roy (3):
      vpd-tool:Log invalid BIOS attribute value type
      Sync keyword update to inherited FRUs
      Sync common interface property if keyword updated

Change-Id: Idc1fdd2fc65f5dbfb2d2083585d45156d84c2e50
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>