use master image for bbsim and nni port for dhcp
diff --git a/minimal-values.yaml b/minimal-values.yaml
index 8cebab4..1de1d9d 100644
--- a/minimal-values.yaml
+++ b/minimal-values.yaml
@@ -18,6 +18,8 @@
 images:
   adapter_open_olt:
     tag_go: master-go
+  bbsim:
+    tag: master
 
 deployments:
   etcdOperator: true