UPSTREAM: soc/mediatek/mt8192: Support discrete DRAM modules

In additional to eMCP, some MT8192 devices may use discrete
DRAM module and need a different calibration process.

BUG=b:173653085
TEST=Stress pass

Signed-off-by: Xi Chen <xixi.chen@mediatek.com>
Change-Id: Ieddff1545de856f99c29cfe611bf6a5bd8deb0f3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/blobs/+/2567140
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@chromium.org>
Tested-by: Hung-Te Lin <hungte@chromium.org>
Commit-Queue: Hung-Te Lin <hungte@chromium.org>
Commit-Queue: Yu-Ping Wu <yupingso@chromium.org>
3 files changed