Merge pull request #1321 from openshift-cherrypick-robot/cherry-pick-1311-to-18.0-fr5

[18.0-fr5] [unialpha][adoption] Add ironic network to networkers

Author: openshift-merge-bot[bot]

scenarios/uni01alpha/config_download.yaml

@@ -99,6 +99,7 @@ parameter_defaults:
   NetworkerParameters:
     NeutronBridgeMappings:
       - datacentre:br-ex
+      - ironic:br-baremetal
   ComputeParameters:
     NeutronBridgeMappings:
       - datacentre:br-ex