util/mb/google: Update dalboz/trembyle template

- Fix relative path to spd folder.
- Add spd folder with empty files.

BUG=None
TEST=None

Change-Id: Iae88ff9c8255f60544312f0eeadf1ce617437baf
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44947
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>

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

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

util/mainboard/google/dalboz/template/spd/Makefile.inc

@@ -0,0 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+## This is an auto-generated file. Do not edit!!
+
+SPD_SOURCES =

util/mainboard/google/dalboz/template/spd/dram_id.generated.txt

@@ -0,0 +1 @@
+DRAM Part Name                 ID to assign

util/mainboard/google/dalboz/template/spd/mem_parts_used.txt

@@ -0,0 +1,9 @@
+# This is a CSV file containing a list of memory parts used by this variant.
+# One part per line with an optional fixed ID in column 2.
+# Only include a fixed ID if it is required for legacy reasons!
+# Each part must also be listed in util/spd_tools/ddr4/global_ddr4_mem_parts.json.txt.
+# Generate an updated Makefile.inc and dram_id.generated.txt by running the
+# gen_part_id tool from util/spd_tools/ddr4.
+# See util/spd_tools/ddr4/README.md for more details and instructions.
+
+# Part Name, Fixed ID (optional)

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

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

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

@@ -0,0 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+## This is an auto-generated file. Do not edit!!
+
+SPD_SOURCES =

util/mainboard/google/trembyle/template/spd/dram_id.generated.txt

@@ -0,0 +1 @@
+DRAM Part Name                 ID to assign

util/mainboard/google/trembyle/template/spd/mem_parts_used.txt

@@ -0,0 +1,9 @@
+# This is a CSV file containing a list of memory parts used by this variant.
+# One part per line with an optional fixed ID in column 2.
+# Only include a fixed ID if it is required for legacy reasons!
+# Each part must also be listed in util/spd_tools/ddr4/global_ddr4_mem_parts.json.txt.
+# Generate an updated Makefile.inc and dram_id.generated.txt by running the
+# gen_part_id tool from util/spd_tools/ddr4.
+# See util/spd_tools/ddr4/README.md for more details and instructions.
+
+# Part Name, Fixed ID (optional)