Add an explicit clobber to prevent gcc from reordering instructions around sparc_wrpr(), similar to the psl.h changes years ago; ok kettenis@
Add an explicit clobber to prevent gcc from reordering instructions around
sparc_wrpr(), similar to the psl.h changes years ago; ok kettenis@

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