Make the BMC reboot irreversible

Using irreversible ensures no other conflicting units
are started (or even queued)

Resolves openbmc/openbmc#1161

Change-Id: Ia937fc0271be896e5bc469129335ae29c7a79d69
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
1 file changed