Adding OpenConfig YANG models.

Change-Id: I0a2fdd5826e80933cf4b9ae939ff3051acec02aa
diff --git a/models/openconfig/BUCK b/models/openconfig/BUCK
new file mode 100644
index 0000000..d724f04
--- /dev/null
+++ b/models/openconfig/BUCK
@@ -0,0 +1,5 @@
+
+yang_model(
+  app_name = 'org.onosproject.models.openconfig',
+  title = 'OpenConfig YANG Models',
+)
\ No newline at end of file