mkcloud: allow to skip the lvm test, to allow mkcloud on shared lvm
mkcloud: allow to skip the lvm test, to allow mkcloud on shared lvm

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