mb/google/brya: Create omnigul variant

Create the omnigul variant of the brya0 reference board by copying
the template files to a new directory named for the variant.

(Auto-Generated by create_coreboot_variant.sh version 4.5.0).

BUG=b:263060849
BRANCH=None
TEST=util/abuild/abuild -p none -t google/brya -x -a
make sure the build includes GOOGLE_OMNIGUL

Change-Id: I6b4123db9cb77dc050a81f1cb83ef10e2fbffe8d
Signed-off-by: jamie_chen <jamie_chen@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71640
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index bc754be..9f0c223 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -222,6 +222,7 @@
 	default "Zydron" if BOARD_GOOGLE_ZYDRON
 	default "Gladios" if BOARD_GOOGLE_GLADIOS
 	default "Marasov" if BOARD_GOOGLE_MARASOV
+	default "Omnigul" if BOARD_GOOGLE_OMNIGUL
 
 config VARIANT_DIR
 	default "brya0" if BOARD_GOOGLE_BRYA0
@@ -263,6 +264,7 @@
 	default "zydron" if BOARD_GOOGLE_ZYDRON
 	default "gladios" if BOARD_GOOGLE_GLADIOS
 	default "marasov" if BOARD_GOOGLE_MARASOV
+	default "omnigul" if BOARD_GOOGLE_OMNIGUL
 
 config VBOOT
 	select VBOOT_EARLY_EC_SYNC if !BOARD_GOOGLE_BASEBOARD_NISSA
diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index 7268501..e5cfe3a 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -317,3 +317,7 @@
 	select BOARD_GOOGLE_BASEBOARD_BRYA
 	select SOC_INTEL_RAPTORLAKE
 	select DRIVERS_INTEL_ISH
+
+config BOARD_GOOGLE_OMNIGUL
+	bool "->  Omnigul"
+	select BOARD_GOOGLE_BASEBOARD_BRYA
diff --git a/src/mainboard/google/brya/variants/omnigul/include/variant/ec.h b/src/mainboard/google/brya/variants/omnigul/include/variant/ec.h
new file mode 100644
index 0000000..7a2a6ff
--- /dev/null
+++ b/src/mainboard/google/brya/variants/omnigul/include/variant/ec.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef __VARIANT_EC_H__
+#define __VARIANT_EC_H__
+
+#include <baseboard/ec.h>
+
+#endif
diff --git a/src/mainboard/google/brya/variants/omnigul/include/variant/gpio.h b/src/mainboard/google/brya/variants/omnigul/include/variant/gpio.h
new file mode 100644
index 0000000..c4fe342
--- /dev/null
+++ b/src/mainboard/google/brya/variants/omnigul/include/variant/gpio.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef VARIANT_GPIO_H
+#define VARIANT_GPIO_H
+
+#include <baseboard/gpio.h>
+
+#endif
diff --git a/src/mainboard/google/brya/variants/omnigul/memory/Makefile.inc b/src/mainboard/google/brya/variants/omnigul/memory/Makefile.inc
new file mode 100644
index 0000000..eace2e4
--- /dev/null
+++ b/src/mainboard/google/brya/variants/omnigul/memory/Makefile.inc
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# This is an auto-generated file. Do not edit!!
+# Add memory parts in mem_parts_used.txt and run spd_tools to regenerate.
+
+SPD_SOURCES = placeholder
diff --git a/src/mainboard/google/brya/variants/omnigul/memory/dram_id.generated.txt b/src/mainboard/google/brya/variants/omnigul/memory/dram_id.generated.txt
new file mode 100644
index 0000000..fa24790
--- /dev/null
+++ b/src/mainboard/google/brya/variants/omnigul/memory/dram_id.generated.txt
@@ -0,0 +1 @@
+DRAM Part Name                 ID to assign
diff --git a/src/mainboard/google/brya/variants/omnigul/memory/mem_parts_used.txt b/src/mainboard/google/brya/variants/omnigul/memory/mem_parts_used.txt
new file mode 100644
index 0000000..9621137
--- /dev/null
+++ b/src/mainboard/google/brya/variants/omnigul/memory/mem_parts_used.txt
@@ -0,0 +1,11 @@
+# This is a CSV file containing a list of memory parts used by this variant.
+# One part per line with an optional fixed ID in column 2.
+# Only include a fixed ID if it is required for legacy reasons!
+# Generated IDs are dependent on the order of parts in this file,
+# so new parts must always be added at the end of the file!
+#
+# Generate an updated Makefile.inc and dram_id.generated.txt by running the
+# part_id_gen tool from util/spd_tools.
+# See util/spd_tools/README.md for more details and instructions.
+
+# Part Name
diff --git a/src/mainboard/google/brya/variants/omnigul/overridetree.cb b/src/mainboard/google/brya/variants/omnigul/overridetree.cb
new file mode 100644
index 0000000..4f2c04a
--- /dev/null
+++ b/src/mainboard/google/brya/variants/omnigul/overridetree.cb
@@ -0,0 +1,6 @@
+chip soc/intel/alderlake
+
+        device domain 0 on
+        end
+
+end