Fix the kafka name in ONOS

Change-Id: I167006d50615ce3fb8a648c476f7301600c46ded
diff --git a/cord-platform/values.yaml b/cord-platform/values.yaml
index 615b50f..7193ac5 100644
--- a/cord-platform/values.yaml
+++ b/cord-platform/values.yaml
@@ -18,6 +18,10 @@
   xos-gui:
     platformKafka: cord-platform-kafka:9092
 
+onos:
+  log_agent:
+    kafka_brokers: ['cord-platform-kafka:9092']
+
 nem-monitoring:
   args:
     voltha_kpi_broker: cord-platform-kafka:9092
@@ -85,4 +89,4 @@
 
   zookeeper:
     persistence:
-      enabled: false
\ No newline at end of file
+      enabled: false