updating ofagent tag in bbsim-test

Change-Id: I0a79462d0773fae0d21c9524cc3d933f9ea1f177
diff --git a/kubernetes-configs/bbsim-voltha-master.yml b/kubernetes-configs/bbsim-voltha-master.yml
index bbf42b6..ec57d3e 100644
--- a/kubernetes-configs/bbsim-voltha-master.yml
+++ b/kubernetes-configs/bbsim-voltha-master.yml
@@ -45,7 +45,7 @@
   vcli:
     tag: 'voltha-1.7'
   ofagent:
-    tag: 'voltha-1.7'
+    tag: 'master'
   netconf:
     tag: 'voltha-1.7'
   envoy_for_etcd: