Make sure splx() is called before exiting trm_StartWaitingSRB().
Make sure splx() is called before exiting trm_StartWaitingSRB().

Found by Jan Klemkow. Thanks!

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars