glados: Enable current and power measurements using INA3221.

BUG=chrome-os-partner:41410
TEST=manual, emerges ... current/power values look reasonable.

Change-Id: I26782150cb8e5619122bc1d7bcf3f41c95b06019
Reviewed-on: https://chromium-review.googlesource.com/277704
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Tested-by: Todd Broch <tbroch@chromium.org>
Reviewed-by: Sameer Nanda <snanda@chromium.org>
Commit-Queue: Todd Broch <tbroch@chromium.org>
1 file changed