mb/google/brya: Create crota variant

Create the crota 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:215443524
BRANCH=None
TEST=util/abuild/abuild -p none -t google/brya -x -a
make sure the build includes GOOGLE_CROTA

Signed-off-by: Terry Chen <terry_chen@wistron.corp-partner.google.com>
Change-Id: Ic8f1a0bde286d5d014dfdf87c2a417ca6ff8b3a3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61416
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index cc2a882..e585f9f 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -154,6 +154,7 @@
 	default "Agah" if BOARD_GOOGLE_AGAH
 	default "Volmar" if BOARD_GOOGLE_VOLMAR
 	default "Banshee" if BOARD_GOOGLE_BANSHEE
+	default "Crota" if BOARD_GOOGLE_CROTA
 
 config VARIANT_DIR
 	default "brya0" if BOARD_GOOGLE_BRYA0
@@ -178,6 +179,7 @@
 	default "agah" if BOARD_GOOGLE_AGAH
 	default "volmar" if BOARD_GOOGLE_VOLMAR
 	default "banshee" if BOARD_GOOGLE_BANSHEE
+	default "crota" if BOARD_GOOGLE_CROTA
 
 config VBOOT
 	select VBOOT_EARLY_EC_SYNC