Add LastStateChangeTime property to State.Chassis

This holds the timestamp of when the chassis power
state last changed.

This will be used by the web UI to show the user when
their system was last powered on or off.

Change-Id: I801cd40e2e7d8ee18ede132be59f0776f5fc9d1f
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
1 file changed