Merge: Update x86/mtrr to 6.5

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/3044

# Merge Request Required Information

## Summary of Changes

Backport mtrr and path from upstream up to dc43fc75. This is a prerequisite for host TDX support.

Omitted-fix: 90b926e6

The patch was reverted with commit 925cf045.

## Approved Development Ticket

JIRA: https://issues.redhat.com/browse/RHEL-2889



Signed-off-by: Camilla Conte <cconte@redhat.com>

Approved-by: Paolo Bonzini <bonzini@gnu.org>
Approved-by: David Arcari <darcari@redhat.com>
Approved-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Approved-by: Donald Dutile <ddutile@redhat.com>

Signed-off-by: Scott Weaver <scweaver@redhat.com>