VOL-3224: Re-introduce changes for  supporting TT workflow.

          The boolean values from the chart were passed as string
          to openonu adapter which caused parse issues at the adapter.
          The openonu adapter now has fixes to accept wide range
          values for --accept_incremental_evto_update to enable/disable
          the feature.

Change-Id: I779d7ad177eda7eb6505dd4541d03b7940c28681
diff --git a/voltha-adapter-openonu/values.yaml b/voltha-adapter-openonu/values.yaml
index a614794..4558ddf 100644
--- a/voltha-adapter-openonu/values.yaml
+++ b/voltha-adapter-openonu/values.yaml
@@ -24,6 +24,7 @@
   image_tag: ~
   image_org: "voltha/"
   image_pullPolicy: "Always"
+  incremental_evto_update: False
   topics:
     core_topic: "rwcore"
     adapter_open_onu_topic: "brcm_openomci_onu"
@@ -57,6 +58,7 @@
 
 adapter_open_onu:
   log_level: '{{ .Values.defaults.log_level }}'
+  incremental_evto_update: '{{ .Values.defaults.incremental_evto_update }}'
 
 images:
   adapter_open_onu: