Exposing log_correlation config option in openonu-go adapter deployment

Change-Id: I5071cead98016b6f4b2381750aa7d8f5249e97cd
diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index c03f519..ba0a4b5 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: "2.7.7"
+version: "2.7.8"
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"