Add spring-factory for factory builder.

This says little more than mapping the builder to the board.

BUG=chrome-os-partner:17187
TEST=presubmit

Change-Id: I45f4a454f2897b42e4bd5eb1dd7a332478006b07
Reviewed-on: https://gerrit.chromium.org/gerrit/41757
Tested-by: Peter Mayo <petermayo@chromium.org>
Reviewed-by: David James <davidjames@chromium.org>
diff --git a/buildbot/cbuildbot_config.py b/buildbot/cbuildbot_config.py
index b3f4008..1626d4e 100755
--- a/buildbot/cbuildbot_config.py
+++ b/buildbot/cbuildbot_config.py
@@ -1180,6 +1180,11 @@
   boards=['daisy'],
 )
 
+_factory_release.add_config('spring-factory',
+  arm,
+  boards=['daisy_spring'],
+)
+
 
 def _GetDisplayPosition(config_name, type_order=CONFIG_TYPE_DUMP_ORDER):
   """Given a config_name, return display position specified by suffix_order.