revert.  itojun notes that 128 is ok because of bitlen check. add a comment to this effect since many of us were confused. ok deraadt@
revert.  itojun notes that 128 is ok because of bitlen check.
add a comment to this effect since many of us were confused.
ok deraadt@

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