util/mb/google: add template files for guybrush

Create template for guyrbsuh variant creation.

BRANCH=none
BUG=b:194031783
TEST=n/a

Change-Id: If62c1a63d0890539d4b43f840f75ee9d7ceab4f8
Signed-off-by: Bhanu Prakash Maiya <bhanumaiya@google.com>
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56918
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>

util/mainboard/google/guybrush/template/Makefile.inc

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+subdirs-y += ./memory