Disallow start chassis state of "on" for "OBMC Reboot".
Disallow start chassis state of "on" for "OBMC Reboot".

Currently, rebooting from an "on" state is not supported.

Change-Id: I37f55e5334d79972b3eaef741a350f61f396684a
Signed-off-by: Michael Walsh <10404802c7de463f402c4a18638106ca1b12ef61@us.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation