Fix tag handling for non-U320/packetized devices. Allow tags for these devices.
Fix tag handling for non-U320/packetized devices. Allow tags for these
devices.

Tidy up man page, remove lies and cruft.

ok marco@.

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