Host state power on and off support

This supports the basic systemd transitions to power on and
off a host.  Future commits will handle monitoring for the
state transition to finish and updating the current state.

Change-Id: I1ada1f4e7bd2844db49e63aaaf5b64c88b4af127
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
2 files changed