Skip setup of libvirt in non-libvirt environments
Skip setup of libvirt in non-libvirt environments

Setting the stonith fencing backend to libvirt only makes sense
in libvirt environments. for non-libvirt (e.g. physical or dirmaint)
something else needs to be choosen.

vmoravec/automation,gosipyan/automation,gosipyan/automation,vmoravec/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,gosipyan/automation,vmoravec/automation,vmoravec/automation,gosipyan/automation,SUSE-Cloud/automation,aspiers/automation,aspiers/automation,aspiers/automation,aspiers/automation