x86/cpu: Support AMD autoIBRS in Genoa
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1898184
MR: !2084 (merged)
This MR backports upstream AMD autoIBRS support into RHEL9.
Signed-off-by: Waiman Long longman@redhat.com
Edited by Waiman Long