[POWERPC] Stop include asm-ppc when building ARCH=powerpc for ppc32

We no longer have any dependancies on include/asm-ppc so we can get ride
of the makefile hacks to include it in the build process.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/Makefile

@@ -63,8 +63,7 @@ endif
 
 LDFLAGS_vmlinux	:= -Bstatic
 
-# The -Iarch/$(ARCH)/include is temporary while we are merging
-CPPFLAGS-$(CONFIG_PPC32) := -Iarch/$(ARCH) -Iarch/$(ARCH)/include
+CPPFLAGS-$(CONFIG_PPC32) := -Iarch/$(ARCH)
 AFLAGS-$(CONFIG_PPC32)	:= -Iarch/$(ARCH)
 CFLAGS-$(CONFIG_PPC64)	:= -mminimal-toc -mtraceback=none  -mcall-aixdesc
 CFLAGS-$(CONFIG_PPC32)	:= -Iarch/$(ARCH) -ffixed-r2 -mmultiple
@@ -72,9 +71,6 @@ CPPFLAGS	+= $(CPPFLAGS-y)
 AFLAGS		+= $(AFLAGS-y)
 CFLAGS		+= -msoft-float -pipe $(CFLAGS-y)
 CPP		= $(CC) -E $(CFLAGS)
-# Temporary hack until we have migrated to asm-powerpc
-LINUXINCLUDE-$(CONFIG_PPC32)	:= -Iarch/$(ARCH)/include
-LINUXINCLUDE    += $(LINUXINCLUDE-y)
 
 CHECKFLAGS	+= -m$(SZ) -D__powerpc__ -D__powerpc$(SZ)__
 
@@ -172,19 +168,8 @@ install:
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
 
-archmrproper:
-	$(Q)rm -rf arch/$(ARCH)/include
-
 archprepare: checkbin
 
-ifeq ($(CONFIG_PPC32),y)
-# Temporary hack until we have migrated to asm-powerpc
-include/asm: arch/$(ARCH)/include/asm
-arch/$(ARCH)/include/asm: FORCE
-	$(Q)if [ ! -d arch/$(ARCH)/include ]; then mkdir -p arch/$(ARCH)/include; fi
-	$(Q)ln -fsn $(srctree)/include/asm-$(OLDARCH) arch/$(ARCH)/include/asm
-endif
-
 # Use the file '.tmp_gas_check' for binutils tests, as gas won't output
 # to stdout and these checks are run even on install targets.
 TOUT	:= .tmp_gas_check