Add last bit of physcal disk stuff. Remove bogus memset. Hotspares still don't work.
Add last bit of physcal disk stuff.
Remove bogus memset.
Hotspares still don't work.

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