Exposing BBSim controlledActivation parameter in the helm-chart

Change-Id: I73ae2ae55c4169a9d93577fcc516db9f2e66d37d
diff --git a/bbsim/values.yaml b/bbsim/values.yaml
index ec975dd..ca0cf5e 100644
--- a/bbsim/values.yaml
+++ b/bbsim/values.yaml
@@ -32,6 +32,8 @@
 kafkaEventTopic: ""
 authRetry: false
 dhcpRetry: false
+# default, only-onu, only-pon, both
+controlledActivation: default
 
 # TODO read this values in the config
 olt_tcp_port: 50060