Use VOLTHA version 1.4.0

Change-Id: Ic8743a94aeb48434c42af27e58c9b6738571a59d
diff --git a/voltha/values.yaml b/voltha/values.yaml
index 9f53306..0038b27 100644
--- a/voltha/values.yaml
+++ b/voltha/values.yaml
@@ -70,15 +70,15 @@
 consul:
   enabled: false
 
-envoyForEtcdImage: 'voltha/voltha-envoy:latest'
+envoyForEtcdImage: 'voltha/voltha-envoy:1.4.0'
 freeradiusImage: 'tpdock/freeradius:latest'
 grafanaImage: 'kamon/grafana_graphite:3.0'
-netconfImage: 'voltha/voltha-netconf:latest'
-ofagentImage: 'voltha/voltha-ofagent:latest'
-dashdImage: 'voltha/voltha-dashd:latest'
-shovelImage: 'voltha/voltha-shovel:latest'
-vcliImage: 'voltha/voltha-cli:latest'
-vcoreImage: 'voltha/voltha-voltha:latest'
+netconfImage: 'voltha/voltha-netconf:1.4.0'
+ofagentImage: 'voltha/voltha-ofagent:1.4.0'
+dashdImage: 'voltha/voltha-dashd:1.4.0'
+shovelImage: 'voltha/voltha-shovel:1.4.0'
+vcliImage: 'voltha/voltha-cli:1.4.0'
+vcoreImage: 'voltha/voltha-voltha:1.4.0'
 
 # Need the namespace global for kafka
 global: