UPSTREAM: ARM: Add some missing dependencies on config.h to ARM's Makefile.inc.

These dependencies came indirectly through kconfig.h which was included
automatically with a -include option which was either part of INCLUDES or
specified directly. With this change, I'm able to build for beaglebone with
make -j 48.

BUG=None
TEST=Built for kirby.
BRANCH=None

Change-Id: Ib2a69c47baaeddec9f73a059a94afc258c2ca79a
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/170121
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
diff --git a/src/arch/armv7/Makefile.inc b/src/arch/armv7/Makefile.inc
index 57ee876..9732572 100644
--- a/src/arch/armv7/Makefile.inc
+++ b/src/arch/armv7/Makefile.inc
@@ -107,7 +107,7 @@
 stages_c = $(src)/arch/armv7/stages.c
 stages_o = $(obj)/arch/armv7/stages.o
 
-$(stages_o): $(stages_c)
+$(stages_o): $(stages_c) $(obj)/config.h
 	@printf "    CC         $(subst $(obj)/,,$(@))\n"
 	$(CC) -I. $(INCLUDES) -c -o $@ $< -marm
 
@@ -261,14 +261,14 @@
 	@printf "    CC         $(subst $(obj)/,,$(@))\n"
 	$(CC) $(bootblock-S-ccopts) -MMD -x assembler-with-cpp -E -I$(src)/include -I$(src)/arch/armv7/include -I$(obj) -include $(obj)/build.h -include $(obj)/config.h -I. -I$(src) $< -o $@
 
-$(objgenerated)/bootblock.inc: $(src)/arch/armv7/$(subst ",,$(CONFIG_BOOTBLOCK_SOURCE)) $(bootblock_custom) $(OPTION_TABLE_H)
+$(objgenerated)/bootblock.inc: $(src)/arch/armv7/$(subst ",,$(CONFIG_BOOTBLOCK_SOURCE)) $(bootblock_custom) $(OPTION_TABLE_H) $(obj)/config.h
 	@printf "    CC         $(subst $(obj)/,,$(@))\n"
 	$(CC) $(bootblock-c-ccopts) $(INCLUDES) -MM \
 		-MT$(objgenerated)/bootblock.inc \
 		$< > $(objgenerated)/bootblock.inc.d
 	$(CC) $(bootblock-c-ccopts) -c -S $(CFLAGS) -I. $(INCLUDES) $< -o $@
 
-$(objcbfs)/bootblock.debug:  $(objgenerated)/bootblock.o $(objgenerated)/bootblock.ld $$(bootblock-objs) $(stages)
+$(objcbfs)/bootblock.debug:  $(objgenerated)/bootblock.o $(objgenerated)/bootblock.ld $$(bootblock-objs) $(stages) $(obj)/config.h
 	@printf "    LINK       $(subst $(obj)/,,$(@))\n"
 ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
 	$(LD) -m armelf_linux_eabi -include $(obj)/config.h -static -o $@.tmp -L$(obj) $< -T $(objgenerated)/bootblock.ld