Adding ETCD timeout configuration to olt and onu golang adapters

Change-Id: Icd2715899867d0758f6102904009b66d15d84faf
diff --git a/voltha-adapter-openolt/Chart.yaml b/voltha-adapter-openolt/Chart.yaml
index 37700e7..2b26dda 100644
--- a/voltha-adapter-openolt/Chart.yaml
+++ b/voltha-adapter-openolt/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openolt"
-version: "2.7.0-dev"
+version: "2.7.0"
 description: "A Helm chart for Voltha OpenOLT Adapter"
 keywords:
   - "onf"