phosphor-host-ipmid: srcrev bump 4a15685ee8..0b993fd450

Rajashekar Gade Reddy (1):
      Fix cc issue in setLan cmd for MAC addr parametr.

William A. Kennington III (1):
      app/watchdog: Always use resetTimeRemaining

(From meta-phosphor rev: 4d76f302143e27dcb2a6dc13d043b58c55d0f109)

Change-Id: If411c19eb4298bead4a8713778fa623363450dbb
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>