qa_devstack: Add basic repositories
qa_devstack: Add basic repositories

Depending on the OS version, add basic pool and update repositories.

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