mb/google/guybrush: Add SPDs into build

This enables the standard library method of adding SPDs to CBFS.

BUG=b:178715165
TEST=Build

Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: I2ec94fd866409e1dfa5cb65f6960ea07cbe22f2a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51022
Reviewed-by: Mathew King <mathewk@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/guybrush/Kconfig

@@ -18,6 +18,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select FW_CONFIG
 	select HAVE_ACPI_RESUME
 	select HAVE_EM100_SUPPORT
+	select HAVE_SPD_IN_CBFS
 	select MAINBOARD_HAS_CHROMEOS
 	select SOC_AMD_CEZANNE
 	select SOC_AMD_COMMON_BLOCK_USE_ESPI

src/mainboard/google/guybrush/Makefile.inc

@@ -21,3 +21,5 @@ subdirs-y += variants/$(VARIANT_DIR)
 
 CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/include
 CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/include
+
+LIB_SPD_DEPS = $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/spd/$(f))