VOL-2189 Update helm charts to 2.2.1 images; Update version to 2.2.0-dev

Change-Id: I1a68b66a71b2961a858b6b61fd284b11ef8ba9f1
diff --git a/voltha-adapter-simulated/values.yaml b/voltha-adapter-simulated/values.yaml
index 62d524b..28dd787 100644
--- a/voltha-adapter-simulated/values.yaml
+++ b/voltha-adapter-simulated/values.yaml
@@ -46,11 +46,11 @@
   adapter_simulated_olt:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-adapter-simulated-olt'
-    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}2.2.0{{- end }}{{- else }}2.2.0{{- end }}'
+    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}2.2.1{{- end }}{{- else }}2.2.1{{- end }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   adapter_simulated_onu:
     registry: '{{ .Values.defaults.image_registry }}'
     repository: '{{ .Values.defaults.image_org }}voltha-adapter-simulated-onu'
-    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}2.2.0{{- end }}{{- else }}2.2.0{{- end }}'
+    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}2.2.1{{- end }}{{- else }}2.2.1{{- end }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'