VOL-1702 - revert back to how tag was set without embedded tpl

Change-Id: I5b430032aceb928fb93c8898aa181ef56e0510cc
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index 8846411..bfec00c 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -17,5 +17,5 @@
 description: A Helm chart for Voltha based on K8S resources in Voltha project
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.0.4
+version: 2.0.5
 appVersion: 2.0.0
diff --git a/voltha/values.yaml b/voltha/values.yaml
index 5c8c9a7..dc7930b 100644
--- a/voltha/values.yaml
+++ b/voltha/values.yaml
@@ -20,7 +20,7 @@
 # Default overrides
 defaults:
   image_registry: ""
-  image_tag: '{{ .Chart.AppVersion }}'
+  image_tag:
   image_org: "voltha/"
   image_pullPolicy: "Always"
   rw_core:
@@ -84,36 +84,36 @@
   cli:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-cli'
-    tag: '{{ .Values.defaults.image_tag }}'
+    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   ofagent:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-ofagent'
-    tag: '{{ .Values.defaults.image_tag }}'
+    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   ro_core:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-ro-core'
-    tag: '{{ .Values.defaults.image_tag }}'
+    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   rw_core:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-rw-core'
-    tag: '{{ .Values.defaults.image_tag }}'
+    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   afrouter:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-afrouter'
-    tag: '{{ .Values.defaults.image_tag }}'
+    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   afrouterd:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-afrouterd'
-    tag: '{{ .Values.defaults.image_tag }}'
+    tag: '{{ .Values.defaults.image_tag | default .Chart.AppVersion }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
     restartPolicy: 'Always'