Fix the list of boards used for the depthcharge config.

My previous commit which added a depthcharge config accidentally used the main
firmware board list instead of the depthcharge specific one.

BUG=chrome-os-partner:17147
TEST=Ran cbuildbot_config_unittest.py.

Change-Id: I1e05402afc187599a88155263b6d7009707666e7
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/41112
Reviewed-by: David James <davidjames@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
1 file changed