Add Transport-API Yang models.

Change-Id: Iaca69b8bd1adbd899b0b6faf255f2e202a80a927
diff --git a/modules.defs b/modules.defs
index 8291b95..22ea0cd 100644
--- a/modules.defs
+++ b/modules.defs
@@ -241,6 +241,7 @@
     '//models/huawei:onos-models-huawei-oar',
     '//models/openconfig:onos-models-openconfig-oar',
     '//models/openroadm:onos-models-openroadm-oar',
+    '//models/tapi:onos-models-tapi-oar',
     '//models/l3vpn:onos-models-l3vpn-oar',
     '//models/microsemi:onos-models-microsemi-oar',
     '//models/polatis:onos-models-polatis-oar',