Actually adding ONOS app update image to correct yaml path

Change-Id: I6b32313543bed9cebfbd383eefeecd334058115a
diff --git a/kubernetes-configs/voltha/tucson-pod-DT.yml b/kubernetes-configs/voltha/tucson-pod-DT.yml
index 06e9b4f..bea8c01 100644
--- a/kubernetes-configs/voltha/tucson-pod-DT.yml
+++ b/kubernetes-configs/voltha/tucson-pod-DT.yml
@@ -13,3 +13,7 @@
 # limitations under the License.
 
 # This file can be used to override values in kind-voltha's minimal-values.yaml
+images:
+  onos:
+    repository: "andreacampanella/voltha-onos"
+    tag: "app-update-sadis"