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

Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>

arch/powerpc/lib/Makefile

@@ -14,27 +14,25 @@ obj-y += string.o alloc.o crtsavres.o ppc_ksyms.o code-patching.o \
 
 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)