mkcloud: fix supportconfig gathering with parallel runs
mkcloud: fix supportconfig gathering with parallel runs

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