skip Controller Save State (CSS) and Controller Restore State (CRS)

skip Controller Save State (CSS) and Controller Restore State (CRS)
on AMD 17h/1xh xHCI

avoids problem with resume after CRS was introduced in xhci.c rev 1.133
uhub0: device problem, disabling port 2
uhub1: device problem, disabling port 1

reported by brynet@ and reproduced on t495, ok kettenis@