Actually adding ONOS app update image to correct yaml path

Change-Id: I6b32313543bed9cebfbd383eefeecd334058115a
diff --git a/kubernetes-configs/voltha/dt-berlin-pod-gpon.yml b/kubernetes-configs/voltha/dt-berlin-pod-gpon.yml
index 1aecd00..e4394f8 100644
--- a/kubernetes-configs/voltha/dt-berlin-pod-gpon.yml
+++ b/kubernetes-configs/voltha/dt-berlin-pod-gpon.yml
@@ -22,6 +22,11 @@
 
 individualOpenFlowNodePorts: true
 
+images:
+  onos:
+    repository: "andreacampanella/voltha-onos"
+    tag: "app-update-sadis"
+
 deployments:
   etcdOperator: true
   backupOperator: false