VOL-3230, VOL-3231 - configure kafka into onos

- kafka was not being configured correctly into onos
- added support for existing radius helm chart as well
  as an upcoming change
- added support for setting on sadis server chart as well
  as an upcoming change

Change-Id: I5dfb22ce754f6671c580398edec9c0e1407b4197
diff --git a/minimal-values.yaml b/minimal-values.yaml
index 0488de2..eac5512 100644
--- a/minimal-values.yaml
+++ b/minimal-values.yaml
@@ -164,6 +164,12 @@
   kafkaEventTopic: "bbsim"
   enableEvents: false
 
+# Customization for BBSIM SADIS Servier
+sadis:
+  config:
+    bbsim_sadis_server:
+      sleep_time: 5s
+
 # SHOCK THE MONKEY OR LET LOSE THE DOGS OF WAR
 # The VOLTHA charts have support for adding extra labels to deployments and
 # pods. These extra labels can be used to integrate with other utilities