mb/google/brya: Add new google brya mainboard

This commit is a stub for brya, which is a an Intel Alder Lake-P
reference platform.

BUG=b:173562731
TEST=util/abuild/abuild -p none -t google/brya -a -c max

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Ia34130ff92a0a07063cb8e80527204b3a80184a0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47819
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>

src/mainboard/google/brya/Kconfig

@@ -0,0 +1,29 @@
+config BOARD_GOOGLE_BASEBOARD_BRYA
+	def_bool n
+	select BOARD_ROMSIZE_KB_32768
+	select HAVE_ACPI_TABLES
+	select SOC_INTEL_ALDERLAKE
+
+if BOARD_GOOGLE_BASEBOARD_BRYA
+
+config BASEBOARD_BRYA_LAPTOP
+	def_bool n
+	select SYSTEM_TYPE_LAPTOP
+
+config DEVICETREE
+	string
+	default "variants/baseboard/devicetree.cb"
+
+config MAINBOARD_DIR
+	string
+	default "google/brya"
+
+config MAINBOARD_FAMILY
+	string
+	default "Google_Brya0" if BOARD_GOOGLE_BRYA0
+
+config MAINBOARD_PART_NUMBER
+	string
+	default "brya" if BOARD_GOOGLE_BRYA0
+
+endif # BOARD_GOOGLE_BASEBOARD_BRYA

src/mainboard/google/brya/Kconfig.name

@@ -0,0 +1,4 @@
+config BOARD_GOOGLE_BRYA0
+	bool "Brya 0"
+	select BOARD_GOOGLE_BASEBOARD_BRYA
+	select BASEBOARD_BRYA_LAPTOP

src/mainboard/google/brya/board_info.txt

@@ -0,0 +1,6 @@
+Vendor name: Google
+Board name: Brya
+Category: laptop
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y

src/mainboard/google/brya/dsdt.asl

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <acpi/acpi.h>
+
+DefinitionBlock(
+	"dsdt.aml",
+	"DSDT",
+	ACPI_DSDT_REV_2,
+	OEM_ID,
+	ACPI_TABLE_CREATOR,
+	0x20110725	// OEM revision
+)
+{
+}

src/mainboard/google/brya/variants/baseboard/devicetree.cb

@@ -0,0 +1,5 @@
+chip soc/intel/alderlake
+	device cpu_cluster 0 on
+		device lapic 0 on end
+	end
+end