Add push,rebase,verify jobs for Dublin branch of dcaegen2/collectors/datafile

Change-Id: Ib611f2e4670b03d9d49e4226fbed2203ea27ce65
diff --git a/jjb/dcaegen2/dcaegen2-services-pm-mapper-rebase-jobs.yaml b/jjb/dcaegen2/dcaegen2-services-pm-mapper-rebase-jobs.yaml
index 74f9393..5a0cddf 100644
--- a/jjb/dcaegen2/dcaegen2-services-pm-mapper-rebase-jobs.yaml
+++ b/jjb/dcaegen2/dcaegen2-services-pm-mapper-rebase-jobs.yaml
@@ -20,16 +20,15 @@
 # this job gets triggered when a change is merged to
 # dcaegen2/services/pm-mapper project on ONAP Gerrit.
 - project:
-
     name: pm-mapper-rebase
-
     project: dcaegen2/services/pm-mapper
-
     project-name: dcaegen2-services-pm-mapper
 
     stream:
       - master:
           branch: '{stream}'
+      - dublin:
+          branch: '{stream}'
 
     jobs:
       - '{project-name}-{stream}-rebase'