Enable hwtest for board peach_pit on R30 branch

BUG=chromium:286324
TEST=run cbuildbot_config_unittest.py

Change-Id: Ia6e87f9e9ed6f1e9191fa700828bb027d87d2500
Reviewed-on: https://chromium-review.googlesource.com/169673
Reviewed-by: John Dung Hong <johndhong@chromium.org>
Commit-Queue: Dan Shi <dshi@chromium.org>
Tested-by: Dan Shi <dshi@chromium.org>
1 file changed