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/variants/crota/memory/dram_id.generated.txt b/src/mainboard/google/brya/variants/crota/memory/dram_id.generated.txt
new file mode 100644
index 0000000..fa24790
--- /dev/null
+++ b/src/mainboard/google/brya/variants/crota/memory/dram_id.generated.txt
@@ -0,0 +1 @@
+DRAM Part Name                 ID to assign