Restore hw.setperf upon resume like we do for apm(4) on i386.  Seems we need to do this fairly late in the resume to avoid hangs.
Restore hw.setperf upon resume like we do for apm(4) on i386.  Seems we need
to do this fairly late in the resume to avoid hangs.

ok deraadt@, mlarkin@

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