K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2020-07-14T18:11:05.775897Z
K 7
svn:log
V 256
Add stepping to the kern.hwpmc.cpuid string on x86.

It follows the equivalent Linux change to be able to differentiate
skylakex and cascadelakex, sharing the same model but not stepping.

This fixes skylakex handling broken by r363144.

MFC after:	6 days

END