update_image: add all CBFS_PREFIX files to cbfs

In order to accomodate objects not directly linked into ramstage
anymore those files need to be added to the image when UPDATE_IMAGE
is selected. Otherwise many required pieces are missing from booting

Change-Id: Ic0b24387d24d0af3b75f5fd6fa1795fd381c4d58
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/10410
Tested-by: build bot (Jenkins)
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
diff --git a/Makefile.inc b/Makefile.inc
index 585fd17..b5acdd0 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -552,9 +552,21 @@
 	$(call add-cpu-microcode-to-cbfs,$@.tmp)
 	mv $@.tmp $@
+prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
+# Add all cbfs files to image of the form: CONFIG_CBFS_PREFIX/<filename>
+prebuild-files = \
+	$(foreach file,$(cbfs-files), \
+	       $(if $(filter $(call strip_quotes, $(CONFIG_CBFS_PREFIX))/%,\
+	           $(call extract_nth,2,$(file))), \
+	       $(if $(call extract_nth,6,$(file)),$(CBFSTOOL) $@.tmp locate -f $(call extract_nth,1,$(file)) -n $(call extract_nth,2,$(file)) -a $(call extract_nth,6,$(file))|xargs -i \
+	       $(cbfs-add-cmd) -b {} &&,\
+	       $(cbfs-add-cmd) $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file))) &&)))
 .PHONY: $(obj)/coreboot.pre1
-$(obj)/coreboot.pre1: $(CBFSTOOL)
-	mv $(obj)/coreboot.rom $@
+$(obj)/coreboot.pre1: $$(prebuilt-files) $(CBFSTOOL)
+	mv $(obj)/coreboot.rom $@.tmp
+	$(prebuild-files) true
+	mv $@.tmp $@