tree b8fa53222519e330b0353f54cae5e519b80bbf37
parent e78bb8f81eaa9c082e47ad818b64843c2565d00b
author david <david_wu@quantatw.com> 1452257388 +0800
committer chrome-bot <chrome-bot@chromium.org> 1454586900 -0800

Lars: Set I2C[4] port voltage to 1.8v

As the audio card needs 1.8V I2C operation. This patch adds
entry into devicetree.cb to set I2C port 4 operate at 1.8V.

BRANCH=None
BUG=chrome-os-partner:47821
TEST=Built & booted lars board. Verified that I2C
port 4 is operating at 1.8V level

CQ-DEPEND=CL:*242225, CL:*241206, CL:315167

Change-Id: Iccc85a5e3bbf2b5362665036e1294a6635e38fbe
Signed-off-by: David Wu <David_Wu@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/321000
Commit-Ready: David Wu <david_wu@quantatw.com>
Tested-by: David Wu <david_wu@quantatw.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>