Exporting PPPoE stats from ONOS

Change-Id: I031b9e747e77ecf4220238c0f27d7618851da7e0
diff --git a/config/conf.yaml b/config/conf.yaml
index 0333fe6..57b13ed 100644
--- a/config/conf.yaml
+++ b/config/conf.yaml
@@ -7,6 +7,7 @@
     - voltha.kpis
     - onos.kpis
     - onos.aaa.stats.kpis
+    - pppoe.stats
 logger:
   loglevel: debug
   host: cord-kafka.default.svc.cluster.local:9092