[VOL-2736]host and port should be specified as a single argument not as two separate arguments

Change-Id: I4b358bd6272fa239f74955abd7e94d3a908b595f
diff --git a/voltha/values.yaml b/voltha/values.yaml
index 8a8b5da..8685d4e 100644
--- a/voltha/values.yaml
+++ b/voltha/values.yaml
@@ -88,11 +88,11 @@
   ofagent:
     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 }}1.2.0{{- end }}{{- else }}1.2.0{{- end }}'
+    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}1.2.1{{- end }}{{- else }}1.2.1{{- end }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'
 
   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 }}2.4.1{{- end }}{{- else }}2.4.1{{- end }}'
+    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}2.4.2{{- end }}{{- else }}2.4.2{{- end }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'