mb/google/brya: Create gothrax variant

Create the gothrax variant of the nissa 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=279614675
BRANCH=None
TEST=util/abuild/abuild -p none -t google/brya -x -a
make sure the build includes GOOGLE_GOTHRAX

Signed-off-by: Yunlong Jia <yunlong.jia@ecs.corp-partner.google.com>
Change-Id: I129e4a55e4b87091e425a45392024d04f3977c79
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74748
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Derek Huang <derekhuang@google.com>
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index 733d7ef..c997058 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -238,6 +238,7 @@
 	default "Hades" if BOARD_GOOGLE_HADES
 	default "Uldren" if BOARD_GOOGLE_ULDREN
 	default "Yavilla" if BOARD_GOOGLE_YAVILLA
+	default "Gothrax" if BOARD_GOOGLE_GOTHRAX
 
 config VARIANT_DIR
 	default "brya0" if BOARD_GOOGLE_BRYA0
@@ -285,6 +286,7 @@
 	default "hades" if BOARD_GOOGLE_HADES
 	default "uldren" if BOARD_GOOGLE_ULDREN
 	default "yavilla" if BOARD_GOOGLE_YAVILLA
+	default "gothrax" if BOARD_GOOGLE_GOTHRAX
 
 config VBOOT
 	select VBOOT_EARLY_EC_SYNC if !BOARD_GOOGLE_BASEBOARD_NISSA