s390x/s390-virtio-ccw: Activate zPCI features on s390-ccw-virtio-rhel8.6.0

Cédric Le Goaterrequested to merge
clegoate/qemu-kvm-centos:c9s-bz2159408 into c9s

commit c7b14d3a ("s390x/s390-virtio-ccw: Switch off zPCI enhancements on older machines") activated zPCI enhancement features (interpretation and forward assist) silently on the s390-ccw-virtio-rhel8.6.0 machine for RHEL8.8. It didn't seem to be a problem since migration is not possible but it broke LEAPP upgrade to RHEL9 when the machine is defined with a passthrough device. Activate the zPCI features also on RHEL9.2 for the machines to be alike in both latest RHEL distros.

Upstream Status: RHEL-only

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2159408

Signed-off-by: Cédric Le Goater clg@redhat.com

Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=49967033

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