powerpc/lib: Makefile, use obj64-y to consolidate 64-bit rules

obj-$(CONFIG_PPC32)	+= div64.o copy_32.o

obj-$(CONFIG_PPC64)	+= copypage_64.o copyuser_64.o \

			   usercopy_64.o mem_64.o hweight_64.o \

			   copyuser_power7.o string_64.o copypage_power7.o \

			   memcmp_64.o

obj64-y	+= copypage_64.o copyuser_64.o usercopy_64.o mem_64.o hweight_64.o \

	   copyuser_power7.o string_64.o copypage_power7.o memcpy_power7.o \

	   memcpy_64.o memcmp_64.o

obj64-$(CONFIG_SMP)	+= locks.o

obj64-$(CONFIG_ALTIVEC)	+= vmx-helper.o

ifeq ($(CONFIG_GENERIC_CSUM),)

obj-y			+= checksum_$(CONFIG_WORD_SIZE).o

obj-$(CONFIG_PPC64)	+= checksum_wrappers_64.o

endif

obj-$(CONFIG_PPC64)		+= memcpy_power7.o memcpy_64.o 

obj-$(CONFIG_PPC_EMULATE_SSTEP)	+= sstep.o ldstfp.o

ifeq ($(CONFIG_PPC64),y)

obj-$(CONFIG_SMP)	+= locks.o

obj-$(CONFIG_ALTIVEC)	+= vmx-helper.o

endif

obj-$(CONFIG_PPC_LIB_RHEAP) += rheap.o

obj-$(CONFIG_FTR_FIXUP_SELFTEST) += feature-fixups-test.o

obj-$(CONFIG_ALTIVEC)	+= xor_vmx.o

CFLAGS_xor_vmx.o += -maltivec -mabi=altivec

obj-$(CONFIG_PPC64) += $(obj64-y)