qa_crobarsetup: enable serial console for deployed nodes
qa_crobarsetup: enable serial console for deployed nodes

This is useful for debugging problems during the node deployment.

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