mkcloud: upgrade support for cloud5 to cloud6
mkcloud: upgrade support for cloud5 to cloud6

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