pull in some viking stuff from NetBSD; delay use of CPUFLG_CACHEPAGETABLES if VIKING_PCR_TC isn't set.
pull in some viking stuff from NetBSD; delay use of CPUFLG_CACHEPAGETABLES
if VIKING_PCR_TC isn't set.

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