Fix kvm/selftests/rseq_test failure

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2106955
Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=46758791
Upstream Status: v5.19.rc8
Tested: Passed, no rseq_test failure caused by CPU migration

This picks the follow upstream commit to fix kvm/selftests/rseq_test
failure, which is caused by CPU migration.

e923b0537d28 KVM: selftests: Fix target thread to be migrated in rseq_test

There are special steps needed to test or verify this bug due to bug
2107034.

(1) Provision machine to lastest RHEL9.0 instead of RHEL9.1 from beaker.
(2) Install the kernel, which includes the fix.
(3) Build kvm/selftests/rseq_test and keep it run for 300 times.

Signed-off-by: Gavin Shan gshan@redhat.com