x86/bugs: Rename config entries & miscellaneous fixes
JIRA: https://issues.redhat.com/browse/RHEL-31230
MR: !4619
The main purpose of this MR is to rename all the x86 mitigation config entries to match upstream to ease future backport of upstream CPU vulnerability fixes. It also includes some miscellaneous CPU vulnerability updates and fixes.
Signed-off-by: Waiman Long longman@redhat.com
Edited by Waiman Long