tools/Makefile: Remove symlinks for fdt targets

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/Makefile b/Makefile
index db7fd88..38426dc 100644
--- a/Makefile
+++ b/Makefile
@@ -3532,8 +3532,7 @@
 		$(obj)cscope.* $(obj)*.*~
 	@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}
+	@rm -f $(obj)tools/{image.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