Mickey: Update LPDDR3 configuration

This makes the same changes to the LPDDR3 configuration that
were made for Samsung modules:
- Enable ODT function
- Change DS to 40  from 34.3

BUG=chrome-os-partner:47416
BRANCH=firmware-veyron-6588.B
TEST=Boot on mickey elpida board

Change-Id: I2d54d3087ecd3536469866f30e4eb2d8b1acd5c1
Signed-off-by: jiazi Yang <Tomato_Yang@asus.com>
Reviewed-on: https://chromium-review.googlesource.com/311153
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/311855
Commit-Ready: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
5 files changed