Add incubator RPC to features.xml

Change-Id: Ief111eb3ada0c295c6c8de1c44ee8a07014e276b
diff --git a/features/features.xml b/features/features.xml
index 1aae0f3..7d12d7b 100644
--- a/features/features.xml
+++ b/features/features.xml
@@ -106,6 +106,7 @@
         <feature>onos-core</feature>
         <bundle>mvn:org.onosproject/onos-incubator-net/@ONOS-VERSION</bundle>
         <bundle>mvn:org.onosproject/onos-incubator-store/@ONOS-VERSION</bundle>
+        <bundle>mvn:org.onosproject/onos-incubator-rpc/@ONOS-VERSION</bundle>
     </feature>
 
     <feature name="onos-rest" version="@FEATURE-VERSION"