kukui/led: Fix LED behaviours.

Red for error state and discharge in low power.
Blue for charging.
Green for charged almost full.

Also, fix the ectool led battery not working.

TEST=See blue LED when charging, green LED when battery full.
TEST=see ectool led battery red=x blue=y green=z works.
     xyz are the combinations from 0 to 7.
BUG=b:128812582, b:129720983
BRANCH=None

Change-Id: I45d2395197fd9f0713aae8a41ae69c5bc92548b9
Signed-off-by: Yilun Lin <yllin@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1568891
Commit-Ready: Yilun Lin <yllin@chromium.org>
Tested-by: Yilun Lin <yllin@chromium.org>
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
1 file changed