[VOL-2356]core log_level command line argument should take log level names not int value

Change-Id: Id5915a5eb6e9a6a5a2a350022a8167b3434d2825
diff --git a/voltha/values.yaml b/voltha/values.yaml
index 3fbfe1a..24a61ca 100644
--- a/voltha/values.yaml
+++ b/voltha/values.yaml
@@ -95,6 +95,6 @@
   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 }}2.3.0{{- end }}{{- else }}2.3.0{{- end }}'
+    tag: '{{- if hasKey .Values.defaults "image_tag" }}{{- if .Values.defaults.image_tag }}{{ .Values.defaults.image_tag }}{{- else }}2.3.2{{- end }}{{- else }}2.3.2{{- end }}'
     pullPolicy: '{{ .Values.defaults.image_pullPolicy }}'