Reformat some BUILD files according to the buildifier guidelines

Change-Id: I8aa599f89fc14296275193475e50eb8f27b4bf0a
diff --git a/models/ciena/waveserverai/BUILD b/models/ciena/waveserverai/BUILD
index e41a676..1712d34 100644
--- a/models/ciena/waveserverai/BUILD
+++ b/models/ciena/waveserverai/BUILD
@@ -10,8 +10,8 @@
 
 yang_model(
     app_name = "org.onosproject.models.ciena.waveserverai",
-    title = "Ciena Waveserver Ai YANG Models",
     custom_registrator = True,
-    deps = COMPILE_DEPS,
     required_apps = APPS,
+    title = "Ciena Waveserver Ai YANG Models",
+    deps = COMPILE_DEPS,
 )