nova: use proper uefi package names under CentOS/RHEL 8
nova: use proper uefi package names under CentOS/RHEL 8

Change-Id: I92be17ef1ce0f81ab3f49433a0d1e688874ba64e

stackforge/kolla,stackforge/kolla,stackforge/kolla,openstack/kolla,openstack/kolla,rahulunair/kolla,rahulunair/kolla