Limit battery charge voltage to prevent battery over-charge due to
regulation inaccuracy.
(ported from reef board)
BUG=b:36024657
BRANCH=none
TEST=build and boot on reef and ensure charging is still functional
Change-Id: I90dd8bda3d67a6c50aa39bbd096239565c73b7c5
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://chromium-review.googlesource.com/450950
Reviewed-by: Scott Collyer <scollyer@chromium.org>