Resolve obmc-standby.target into a path

A slight modification to bmc_state_manager.cpp.
Added a systemd call GetUnit to derive the
obmc-standby.target instead of using a hard
coded string such as obmc_2dstandby_2etarget.

Change-Id: Ica1e1e9c327e68190e800e88c0db865922c7443f
Signed-off-by: Josh D. King <jdking@us.ibm.com>
1 file changed