Run HWTest on daisy_skate-release.

BUG=chromium:358156
TEST=None

Change-Id: I8b417a76e04e0b9e55e62b1d51fe5926257f61ac
Reviewed-on: https://chromium-review.googlesource.com/192439
Tested-by: Richard Barnette <jrbarnette@chromium.org>
Reviewed-by: David James <davidjames@chromium.org>
Commit-Queue: Richard Barnette <jrbarnette@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/192585
Reviewed-by: Simran Basi <sbasi@chromium.org>
diff --git a/buildbot/cbuildbot_config.py b/buildbot/cbuildbot_config.py
index d33d5fd..caa4e43 100755
--- a/buildbot/cbuildbot_config.py
+++ b/buildbot/cbuildbot_config.py
@@ -1992,7 +1992,6 @@
 
 _arm_release.add_config('daisy_skate-release',
   boards=['daisy_skate'],
-  hw_tests=[],
 )
 
 _arm_release.add_config('daisy_spring-release',