x86: Update model values for Alderlake and Rocketlake.
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)