[VOL-2735]Durations should be specified as type time.Duration not int

Change-Id: I6f6882fc6bc80ca1626ccf3b00d4d128b49f5e1a
diff --git a/voltha/values.yaml b/voltha/values.yaml
index 313d32d..d0d445f 100644
--- a/voltha/values.yaml
+++ b/voltha/values.yaml
@@ -91,7 +91,7 @@
   ofagent_go:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-ofagent-go'
-    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}1.1.6{{- end }}{{- else }}1.1.6{{- end }}'
+    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}1.2.0{{- end }}{{- else }}1.2.0{{- end }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   ofagent_py:
@@ -103,5 +103,5 @@
   rw_core:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-rw-core'
-    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}2.4.0{{- end }}{{- else }}2.4.0{{- end }}'
+    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}2.4.1{{- end }}{{- else }}2.4.1{{- end }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'