DO-NOT-MERGE: Use migration branch for fvp docker build

Change-Id: Ia8490d96b1316a317bf811bd5a4d1c3a74ec3da2
Signed-off-by: Saheer Babu <saheer.babu@arm.com>
diff --git a/fvp-docker-images.yaml b/fvp-docker-images.yaml
index e4992c5..b5f2028 100644
--- a/fvp-docker-images.yaml
+++ b/fvp-docker-images.yaml
@@ -3,10 +3,10 @@
     scm:
         - git:
             url: https://git.trustedfirmware.org/ci/tf-ci-scripts.git
-            refspec: +refs/heads/master:refs/remotes/origin/master
+            refspec: +refs/heads/openci-migration:refs/remotes/origin/openci-migration
             name: origin
             branches:
-                - refs/heads/master
+                - refs/heads/openci-migration
             basedir: tf-ci-scripts
             skip-tag: true
             shallow-clone: true