Adding maclearner example file and updating ONOS to release 5.0.5

Change-Id: Ia118e46438b658072372bbe81efe62eed36775f1
diff --git a/voltha-infra/values.yaml b/voltha-infra/values.yaml
index 33bcf37..0a86569 100644
--- a/voltha-infra/values.yaml
+++ b/voltha-infra/values.yaml
@@ -28,7 +28,7 @@
   image:
     pullPolicy: Always
     repository: voltha/voltha-onos
-    tag: 5.0.4-rc1
+    tag: 5.0.5
   apps:
     - org.onosproject.lldpprovider
     - org.onosproject.openflow-base