Added required applications for RESTConf

Change-Id: Ia02992dc0b7c0f517b9389e486d9e0b063d96451
diff --git a/apps/restconf/BUCK b/apps/restconf/BUCK
index c223871..2ce6c79 100644
--- a/apps/restconf/BUCK
+++ b/apps/restconf/BUCK
@@ -4,10 +4,16 @@
     '//apps/restconf/restconfmgr:onos-apps-restconf-restconfmgr',
 ]
 
+APPS = [
+    'org.onosproject.yang',
+    'org.onosproject.config',
+]
+
 onos_app (
     app_name = 'org.onosproject.restconf',
     title = 'RESTCONF Application Module',
     category = 'Utility',
     url = 'http://onosproject.org',
     included_bundles = BUNDLES,
+    required_apps = APPS,
 )