Set purgeOnDisconnection to false

Change-Id: I69d4b29008f8a45788ca451da40bc1673984fb4b
diff --git a/voltha-infra/Chart.yaml b/voltha-infra/Chart.yaml
index 0569ae9..d225380 100644
--- a/voltha-infra/Chart.yaml
+++ b/voltha-infra/Chart.yaml
@@ -29,7 +29,7 @@
 name: voltha-infra
 
 appVersion: "1.0"
-version: 0.1.5
+version: 0.1.6
 
 dependencies:
   - name: onos-classic