Now that parrot is no longer run via the suite_scheduler. Add to the waterfall.

TEST=cbuildbot_config_unittest.py
BUG=None
diff --git a/buildbot/cbuildbot_config.py b/buildbot/cbuildbot_config.py
index 9b5cb4f..89cbe86 100755
--- a/buildbot/cbuildbot_config.py
+++ b/buildbot/cbuildbot_config.py
@@ -936,6 +936,7 @@
 
 _release.add_config('parrot-release',
   boards=['parrot'],
+  hw_tests=['bvt'],
 )
 
 _release.add_config('stout-release',