mb/google/brya: Create anahera variant

Create the anahera 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:197850509
BRANCH=None
TEST=util/abuild/abuild -p none -t google/brya -x -a
make sure the build includes GOOGLE_ANAHERA

Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Change-Id: Id7649d56a8d6f85d12208f7ddaf2f71a7fe98e8c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57187
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 946dad3..119ff2e 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -90,6 +90,7 @@
 	default "Kano" if BOARD_GOOGLE_KANO
 	default "Taeko" if BOARD_GOOGLE_TAEKO
 	default "Felwinter" if BOARD_GOOGLE_FELWINTER
+	default "Anahera" if BOARD_GOOGLE_ANAHERA
 
 config VARIANT_DIR
 	default "brya0" if BOARD_GOOGLE_BRYA0
@@ -100,6 +101,7 @@
 	default "kano" if BOARD_GOOGLE_KANO
 	default "taeko" if BOARD_GOOGLE_TAEKO
 	default "felwinter" if BOARD_GOOGLE_FELWINTER
+	default "anahera" if BOARD_GOOGLE_ANAHERA
 
 config DIMM_SPD_SIZE
 	int