Support IPMI command as last power event in chassis status

This change uses the IPMI command restart cause to determine
if the last power event was from an IPMI command.

Tested:
Pressed the physical power button:
ipmitool chassis status
Last Power Event     :

ipmitool power on
ipmitool chassis status
Last Power Event     : command

Change-Id: I974d025087218d3ca0aab7327f89993fdf9c2fc9
Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com>
1 file changed