mb/google/kukui: Enable MT8183_DRAM_EMCP

MT8183_DRAM_EMCP is enabled for devices using eMCP to run at a high DRAM
frequency (e.g., 3600Mbps).

BUG=b:80501386
BRANCH=none
TEST=Memory test passes on EMCP platform

Change-Id: Icf875427347418f796cbf193070bf047844d2267
Signed-off-by: Huayang Duan <huayang.duan@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34433
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/kukui/Kconfig

@@ -43,6 +43,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select MAINBOARD_FORCE_NATIVE_VGA_INIT
 	select HAVE_LINEAR_FRAMEBUFFER
 	select DRIVER_PARADE_PS8640 if BOARD_GOOGLE_JACUZZI
+	select MT8183_DRAM_EMCP if BOARD_GOOGLE_KRANE
 
 config MAINBOARD_DIR
 	string