mb/google/guybrush: Add plain dsdt

Needed to enable ACPI support for cezanne.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ia5869905ed053cdca5f61697cffc7f9b59370859
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50560
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

src/mainboard/google/guybrush/dsdt.asl

@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+DefinitionBlock (
+	"dsdt.aml",
+	"DSDT",
+	ACPI_DSDT_REV_2,
+	OEM_ID,
+	ACPI_TABLE_CREATOR,
+	0x00010001	/* OEM Revision */
+	)
+{
+	#include <acpi/dsdt_top.asl>
+
+	#include <soc.asl>
+}