Unifdef __OpenBSD__, these defines don't help us to sync with NetBSD anymore but make reading the code harder.
Unifdef __OpenBSD__, these defines don't help us to sync with NetBSD
anymore but make reading the code harder.

ok sthen@ miod@ krw@

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