[VOL-4025] Exposing event_topic in rw-core, openolt and openonu adapter charts
[VOL-4135] Exposing device-refresh-interval in ofAgent and defaulting to
15 seconds

Change-Id: I071944972a8deb3ad16fc9035538946b83c9fb30
diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index a2e6b69..4e23f38 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: "2.8.0"
+version: "2.8.1"
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"