T124: perform ram_repair when CPU rail is powered on in warmboot

This patch is to perform software triggered RAM re-repair in
the warm boot path.

BUG=chrome-os-partner:30430
BRANCH=nyan
TEST=run suspend_stress_test on nyan.

Signed-off-by: Yen Lin<yelin@nvidia.com>

Change-Id: I540f8afbffa323d1e378cb6ba6a20be4afd08339
Reviewed-on: https://chromium-review.googlesource.com/207422
Tested-by: Yen Lin <yelin@nvidia.com>
Reviewed-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Commit-Queue: Yen Lin <yelin@nvidia.com>
(cherry picked from commit f06c413c42819f8f75d9b0fecde02b82583f1d2a)
Reviewed-on: https://chromium-review.googlesource.com/211238
Commit-Queue: Andrew Bresticker <abrestic@chromium.org>
1 file changed