kernel: add support to rh_waived in RHEL-9

Ricardo Robainarequested to merge
rrobaina/centos-stream-9:rh_waived_ext into main

JIRA: https://issues.redhat.com/browse/RHEL-122981

Upstream status: RHEL-only

Add rh_waived to RHEL-9, its dependencies and the new concept
of "Waived Items" to the rh_waived original machinery so we can
leverage the mechanism to allow customers waiving off issues other
then just features, like performance impacting CVE mitigations,
through the same interface in a consistent manner.

Signed-off-by: Ricardo Robaina rrobaina@redhat.com

Edited by Ricardo Robaina

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