Jenkins: Add jenkins-master image

Change-Id: I82af218413061f059271df1e8b951970ed243ee8
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..3846c48
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,4 @@
+[gerrit]
+host=review.trustedfirmware.org
+port=29418
+project=ci/dockerfiles