[VOL-2311] Exposing log level in the helm-chart

Change-Id: I378497032943f7361561c52035c3f013420af60f
diff --git a/voltha-adapter-openonu/values.yaml b/voltha-adapter-openonu/values.yaml
index 4c2459f..b1d02dc 100644
--- a/voltha-adapter-openonu/values.yaml
+++ b/voltha-adapter-openonu/values.yaml
@@ -29,7 +29,7 @@
     cluster:
       service: voltha-kafka.voltha.svc.cluster.local
       port: 9092
-  
+
   # Define connectivity to etcd
   etcd:
     service: voltha-etcd-cluster-client.voltha.svc.cluster.local
@@ -39,6 +39,9 @@
 replicas:
   adapter_open_onu: 1
 
+adapter_open_onu:
+  log_level: INFO
+
 images:
   adapter_open_onu:
     registry: '{{ .Values.defaults.image_registry }}'