crowbar-prep.sh: add -r option for setting sledgehammer root pw
crowbar-prep.sh: add -r option for setting sledgehammer root pw

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