util/mb/google: add template files for dalboz and trembyle

Now that Zork is using upstream coreboot, we need the template files
in the main branch.

BUG=b:157570490
TEST=n/a

Signed-off-by: Paul Fagerburg <pfagerburg@chromium.org>
Change-Id: I6cab4ab0b414473e0a759dce81df9872a40d3f26
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43419
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

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

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