mtk_dram_tool: Add compat for MT8188 Enable mtk_dram_tool on MT8188 devices. BUG=b:304781371 TEST=Tested by running on MT8188G device. Change-Id: I3a01ba475bf335457dc5e15d2c44faf41d391eb3 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/drm-tests/+/5383937 Reviewed-by: Miguel Casas-Sanchez <[email protected]> Tested-by: Justin Green <[email protected]> Reviewed-by: Andres Calderon Jaramillo <[email protected]> Commit-Queue: Justin Green <[email protected]>