google/veyron_emile: adjust to the spec of emile

o. Make some gpio changes base on Emile spec.
o. Init sdmmc function.
o. Revert cpu freq reducing in recovery mode since Emile
   have more effective thermal than Mickey.
o. Revert the changes of lpddr3-samsung-2GB config.

BUG=chrome-os-partner:46658
TEST=build and boot on Emile
BRANCH=veyron

Change-Id: Ibdc2ce511c8e215c202e2067d79f4c60cdfca738
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 39e5436c8aa3353af77f62e548f48d19dc722999
Original-Change-Id: Ib2c78c9b5e3ac6620ab1772879a7ea0f7007f96e
Original-Signed-off-by: ZhengShunQian <zhengsq@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/307651
Original-Commit-Ready: Shunqian Zheng <zhengsq@rock-chips.com>
Original-Tested-by: Shunqian Zheng <zhengsq@rock-chips.com>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/12396
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
7 files changed