build system: Always add coreboot.pre dependency to intermediates

They all operate on that file, so just add it globally.

Change-Id: I953975a4078d0f4a5ec0b6248f0dcedada69afb2
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49380
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
diff --git a/src/security/intel/txt/Makefile.inc b/src/security/intel/txt/Makefile.inc
index a0d37fb..bac4eb8 100644
--- a/src/security/intel/txt/Makefile.inc
+++ b/src/security/intel/txt/Makefile.inc
@@ -28,7 +28,7 @@
 
 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
 
-$(call add_intermediate, add_acm_fit, $(obj)/coreboot.pre $(IFITTOOL))
+$(call add_intermediate, add_acm_fit, $(IFITTOOL))
 	$(IFITTOOL) -r COREBOOT -a -n $(CONFIG_INTEL_TXT_CBFS_BIOS_ACM) -t 2 \
         	-s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) -f $<
 
@@ -41,7 +41,7 @@
 
 ibb-files += bootblock
 
-$(call add_intermediate, add_ibb_fit, $(obj)/coreboot.pre $(IFITTOOL))
+$(call add_intermediate, add_ibb_fit, $(IFITTOOL))
 	$(foreach file, $(ibb-files), $(shell $(IFITTOOL) -f $< -a -n $(file) -t 7 \
                 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) -r COREBOOT)) true