Simplify the 6:1 pfsr extraction block: process data CMMU first, and do not bother zeroing fault registers of CMMU which did not report faults.
Simplify the 6:1 pfsr extraction block: process data CMMU first, and do not
bother zeroing fault registers of CMMU which did not report faults.

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