Using openonu-go 1.2.8 in openonu chart 2.7.15

Change-Id: Iba86babbc7394eb1abca98b32c31ac1f7d050f86
diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index f1ef6a3..5fb6bfb 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: "2.7.14"
+version: "2.7.15"
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"
@@ -33,4 +33,4 @@
 
 # appVersion refers to multiple components with potentially different
 # container image versions.
-appVersion: "1.2.7"
+appVersion: "1.2.8"
diff --git a/voltha-stack/Chart.yaml b/voltha-stack/Chart.yaml
index f8f8623..74398ba 100644
--- a/voltha-stack/Chart.yaml
+++ b/voltha-stack/Chart.yaml
@@ -28,7 +28,7 @@
 name: voltha-stack
 
 appVersion: "1.0"
-version: 0.1.16
+version: 0.1.17
 
 dependencies:
   - name: voltha
@@ -37,7 +37,7 @@
     condition: voltha.enabled
   - name: voltha-adapter-openonu
     repository: file://../voltha-adapter-openonu
-    version: 2.7.14
+    version: 2.7.15
     condition: voltha-adapter-openonu.enabled
   - name: voltha-adapter-openolt
     repository: file://../voltha-adapter-openolt