mb/starlabs/starbook/mtl: Disable DQS interleaving

This causes FSP-M to fail memory training, so disable it.

Change-Id: I4a3544a153d6d4da95c4d679665d9c92bd04ed87
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86268
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/starlabs/starbook/variants/mtl/romstage.c

@@ -11,6 +11,9 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
 		.type = MEM_TYPE_DDR5,
 		.ect = false,
 		.UserBd = BOARD_TYPE_MOBILE,
+		.ddr_config = {
+			.dq_pins_interleaved = false,
+		}
 	};
 
 	const bool half_populated = false;