qa_crowbarsetup.sh: Fix error message about crowbar-installed-ok marker
qa_crowbarsetup.sh: Fix error message about crowbar-installed-ok marker

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