Build with mtrr support on amd64. This really should have gone in in edmonton, but I forgot.
Build with mtrr support on amd64. This really should have gone in in
edmonton, but I forgot.

ok and extra testing phessler@.

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