On systems with split BTLB, do not bother trying to insert DBTLB entries, as PDC will lie to us pretending it did while it didn't.
On systems with split BTLB, do not bother trying to insert DBTLB entries,
as PDC will lie to us pretending it did while it didn't.

ok kettenis@

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