[PATCH] ppc64: kernel Makefile options for $(AS)

From: Olaf Hering <olh@suse.de>

`-64' is no longer a valid option for as.  Pass it `-a64' instead.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc64/Makefile

@@ -17,7 +17,7 @@ KERNELLOAD	:= 0xc000000000000000
 
 HAS_BIARCH      := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi;)
 ifeq ($(HAS_BIARCH),y)
-AS              := $(AS) -64
+AS              := $(AS) -a64
 LD              := $(LD) -m elf64ppc
 CC		:= $(CC) -m64
 endif