tools/Makefile: Add libfdt/ to the include search path

This change makes the process of symlinking libfdt_internal.h
unnecessary

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

Makefile

@@ -3533,7 +3533,7 @@ clobber:	clean
 	@rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL)
 	@rm -f $(obj)tools/{crc32.c,env_embedded.c,env/crc32.c,md5.c,sha1.c,inca-swap-bytes}
 	@rm -f $(obj)tools/{image.c,fdt.c,fdt_ro.c,fdt_rw.c,fdt_strerror.c}
-	@rm -f $(obj)tools/{fdt_wip.c,libfdt_internal.h}
+	@rm -f $(obj)tools/{fdt_wip.c}
 	@rm -f $(obj)cpu/mpc824x/bedbug_603e.c
 	@rm -f $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 	@[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f

tools/.gitignore

@@ -17,4 +17,3 @@
 /fdt_rw.c
 /fdt_strerror.c
 /fdt_wip.c
-/libfdt_internal.h

tools/Makefile

@@ -136,6 +136,7 @@ LIBFDT_OBJS	:= $(addprefix $(obj),$(LIBFDT_OBJ_FILES-y))
 CPPFLAGS   = -idirafter $(SRCTREE)/include \
 		-idirafter $(OBJTREE)/include2 \
 		-idirafter $(OBJTREE)/include \
+	        -I $(SRCTREE)/libfdt \
 		-I $(SRCTREE)/tools \
 		-DTEXT_BASE=$(TEXT_BASE) -DUSE_HOSTCC
 CFLAGS     = $(HOST_CFLAGS) $(CPPFLAGS) -O
@@ -274,30 +275,26 @@ $(obj)image.c:
 	@rm -f $(obj)image.c
 	ln -s $(src)../common/image.c $(obj)image.c
 
-$(obj)fdt.c:	$(obj)libfdt_internal.h
+$(obj)fdt.c: $(SRCTREE)/libfdt/libfdt_internal.h
 	@rm -f $(obj)fdt.c
 	ln -s $(src)../libfdt/fdt.c $(obj)fdt.c
 
-$(obj)fdt_ro.c:	$(obj)libfdt_internal.h
+$(obj)fdt_ro.c: $(SRCTREE)/libfdt/libfdt_internal.h
 	@rm -f $(obj)fdt_ro.c
 	ln -s $(src)../libfdt/fdt_ro.c $(obj)fdt_ro.c
 
-$(obj)fdt_rw.c:	$(obj)libfdt_internal.h
+$(obj)fdt_rw.c: $(SRCTREE)/libfdt/libfdt_internal.h
 	@rm -f $(obj)fdt_rw.c
 	ln -s $(src)../libfdt/fdt_rw.c $(obj)fdt_rw.c
 
-$(obj)fdt_strerror.c:	$(obj)libfdt_internal.h
+$(obj)fdt_strerror.c: $(SRCTREE)/libfdt/libfdt_internal.h
 	@rm -f $(obj)fdt_strerror.c
 	ln -s $(src)../libfdt/fdt_strerror.c $(obj)fdt_strerror.c
 
-$(obj)fdt_wip.c:	$(obj)libfdt_internal.h
+$(obj)fdt_wip.c: $(SRCTREE)/libfdt/libfdt_internal.h
 	@rm -f $(obj)fdt_wip.c
 	ln -s $(src)../libfdt/fdt_wip.c $(obj)fdt_wip.c
 
-$(obj)libfdt_internal.h:
-	@rm -f $(obj)libfdt_internal.h
-	ln -s $(src)../libfdt/libfdt_internal.h $(obj)libfdt_internal.h
-
 $(LOGO_H):	$(obj)bmp_logo $(LOGO_BMP)
 	$(obj)./bmp_logo $(LOGO_BMP) >$@