mb/google/poppy: Set UPD CmdTriStateDis for Atlas

This patch sets the MRC UPD CmdTriStateDis for the atlas boards.
Atlas is a LPDDR3 design without RTT for CMD/CTRL.

The original change for
nocturne is I0f593761dcbd121e7e758421af178931b9d78295

BUG=b:111812662
BRANCH=stabilize-atlas-11022.B
TEST=boots on atlas

Change-Id: I45b6dd22412c689c8db64f4650e9fa9e87dec2ec
Signed-off-by: Caveh Jalali <caveh@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1217408
Reviewed-by: Caveh Jalali <caveh@google.com>
Commit-Queue: Caveh Jalali <caveh@google.com>
Tested-by: Caveh Jalali <caveh@google.com>
1 file changed