enable tmpfs so it gets tested some more. okay kettenis@, martin@, beck@, krw@, tedu@, millert@
enable tmpfs so it gets tested some more.
okay kettenis@, martin@, beck@, krw@, tedu@, millert@

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