Use Regex for oc mirroring jobs

Change-Id: Id338b87077831c5d5f58547f8735bbc8813967bd
diff --git a/jenkins/client/job/opencontrail/git-mirrors/upstream.yml b/jenkins/client/job/opencontrail/git-mirrors/upstream.yml
index fe1edcd..e40ac0f 100644
--- a/jenkins/client/job/opencontrail/git-mirrors/upstream.yml
+++ b/jenkins/client/job/opencontrail/git-mirrors/upstream.yml
@@ -66,7 +66,8 @@
                 project:
                   contrail/{{name}}:
                     branches:
-                      - master
+                      - compare_type: "REG_EXP"
+                        name: "*"
                 message:
                   build_successful: "Build successful"
                   build_unstable: "Build unstable"