Using openonu-py 2.6.0

Change-Id: Id450ebb9d4617fdeb43fb23e31b1649fe03e4295
diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index aa51d98..032080d 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: "2.6.9"
+version: "2.6.10"
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"