powerpc: remove redundant header search path additions

The same path -Iarch/$(ARCH) is passed to KBUILD_CPPFLAGS,
KBUILD_AFLAGS, and KBUILD_CFLAGS.

As you see in scripts/Makefile.lib, KBUILD_CPPFLAGS is passed
to c_flags and a_flags as well.

Passing it to KBUILD_CPPFLAGS is enough.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 488c9ed..ac03334 100644 (file)
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -213,9 +213,9 @@ endif
 asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1)
 
 KBUILD_CPPFLAGS        += -Iarch/$(ARCH) $(asinstr)
-KBUILD_AFLAGS  += -Iarch/$(ARCH) $(AFLAGS-y)
+KBUILD_AFLAGS  += $(AFLAGS-y)
 KBUILD_CFLAGS  += $(call cc-option,-msoft-float)
-KBUILD_CFLAGS  += -pipe -Iarch/$(ARCH) $(CFLAGS-y)
+KBUILD_CFLAGS  += -pipe $(CFLAGS-y)
 CPP            = $(CC) -E $(KBUILD_CFLAGS)
 
 CHECKFLAGS     += -m$(BITS) -D__powerpc__ -D__powerpc$(BITS)__