Change ccsdk jobs to add Dublin branch

Change-Id: I99107966cd671269f0be5a9f10f79c50a7d5e620
diff --git a/jjb/ccsdk/ccsdk-apps-push-upstream-jobs.yaml b/jjb/ccsdk/ccsdk-apps-push-upstream-jobs.yaml
index 9c2dcc9..ebb9171 100644
--- a/jjb/ccsdk/ccsdk-apps-push-upstream-jobs.yaml
+++ b/jjb/ccsdk/ccsdk-apps-push-upstream-jobs.yaml
@@ -26,6 +26,8 @@
     stream:
       - master:
           branch: '{stream}'
+      - dublin:
+          branch: '{stream}'
 
     jobs:
       - '{project-name}-{stream}-push-upstream'