[PATCH] ARM: use an easier way to create the empty built-in.o

[Masahiro Yamada]

We do not have to build an unneeded file to create the built-in.o.
Just add a dummy string to "obj-".
(dummy.c does not need to exist.)

Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
---

 arch/arm/dts/Makefile | 2 +-
 arch/arm/dts/empty.c  | 3 ---
 2 files changed, 1 insertion(+), 4 deletions(-)
 delete mode 100644 arch/arm/dts/empty.c

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 9263fda..9d4933c 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -5,7 +5,7 @@ endif
 
 # just to build a built-in.o. Otherwise compilation fails when no devicetree is
 # created.
-obj-y += empty.o
+obj- += dummy.o
 
 pbl-dtb-$(CONFIG_MACH_AFI_GF) += am335x-afi-gf.dtb.o
 pbl-dtb-$(CONFIG_MACH_BEAGLEBONE) += am335x-bone.dtb.o am335x-boneblack.dtb.o am335x-bone-common.dtb.o
diff --git a/arch/arm/dts/empty.c b/arch/arm/dts/empty.c
deleted file mode 100644
index d141224..0000000
--- a/arch/arm/dts/empty.c
+++ /dev/null
@@ -1,3 +0,0 @@
-static inline void empty(void)
-{
-}
-- 
1.9.1