phosphor-watchdog: Send Signal None for timout

As per IPMI specification signal should be send
for action "None" when no timout action
configured. Because TimerExpired also a event.

00h - Timer expired
01h - Hard reset
02h - Power down
03h - Power cycle

Tested:
Successfully build and tested in reference
platform.
Signal received when action configured as None.

Signed-off-by: selvaganapathi <selvaganapathim@ami.com>
Change-Id: I9a0ee11c31a6dc3992f0b6689753b468cf78a095
1 file changed