soc/mediatek/mt8188: Add scramble switch for dpm version 0.2

In addition to DRAM, DPM also needs to handle scramble enable or
disable.

BUG=b:269049451
TEST=build pass and confirm enable/disable scramble successfully

(cherry picked from commit 1a4c51c8dc7400b3d2ca5c91e85a32086c866fc7)

Original-Signed-off-by: Xi Chen <xixi.chen@mediatek.corp-partner.google.com>
Original-Change-Id: I291376edacfd4ae959764dbeb9b5b03739e3f4d5
GitOrigin-RevId: 1a4c51c8dc7400b3d2ca5c91e85a32086c866fc7
Change-Id: Icd79396a6a0b3aabeae158540b9901aec8c9aeb3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/blobs/+/4303030
Reviewed-by: Reka Norman <rekanorman@chromium.org>
Commit-Queue: Reka Norman <rekanorman@chromium.org>
Tested-by: CopyBot Service Account <copybot.service@gmail.com>
5 files changed