Fix build failure of commit 0fa76e35

Update model values for Alderlake and Rocketlake according to SDM.

gcc/ChangeLog

	* common/config/i386/cpuinfo.h (get_intel_cpu): Remove model value 0xa8
	from Rocketlake, and 0xbf from Alderlake.

(cherry picked from commit e510c3be)