qa_crowbarsetup.sh: Fix bash array usage
qa_crowbarsetup.sh: Fix bash array usage

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