Changes:
Require EAP 7.4.2 to use supported upgrade path from EAP 7.3 (Fixes BZ#1963748)
Enable IOMMU caching_mode when mdev devices are present (Fixes BZ#2013752)
Lev Veyde
Senior Software Engineer, RHCE | RHCVA | MCITP
Red Hat Israel
lev@redhat.com | lveyde@redhat.com