nds32: remove unneeded clean-files for DTB

These patterns are cleaned-up by the top-level Makefile

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Greentime Hu <green.hu@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>

diff --git a/arch/nds32/boot/dts/Makefile b/arch/nds32/boot/dts/Makefile
index fff8ade7a84f10eb05f5734adca0af7369496d3d..f84bd529b6fd9c16561c0155d7ef207b2ed557c0 100644 (file)
--- a/arch/nds32/boot/dts/Makefile
+++ b/arch/nds32/boot/dts/Makefile
@@ -5,5 +5,3 @@ else
 BUILTIN_DTB :=
 endif
 obj-$(CONFIG_OF) += $(BUILTIN_DTB)
-
-clean-files := *.dtb *.dtb.S