powerpc: Rename files to have consistent _32/_64 suffixes

This doesn't change any code, just renames things so we consistently
have foo_32.c and foo_64.c where we have separate 32- and 64-bit
versions.

Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index afd3be1..35497de 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -3,10 +3,10 @@
 #
 
 obj-y				:= fault.o mem.o lmb.o
-obj-$(CONFIG_PPC32)		+= init.o pgtable.o mmu_context.o \
-				   tlb.o
-obj-$(CONFIG_PPC64)		+= init64.o pgtable64.o mmu_context64.o
-obj-$(CONFIG_PPC_STD_MMU_32)	+= ppc_mmu.o hash_32.o
+obj-$(CONFIG_PPC32)		+= init_32.o pgtable_32.o mmu_context_32.o \
+				   tlb_32.o
+obj-$(CONFIG_PPC64)		+= init_64.o pgtable_64.o mmu_context_64.o
+obj-$(CONFIG_PPC_STD_MMU_32)	+= ppc_mmu_32.o hash_low_32.o
 obj-$(CONFIG_40x)		+= 4xx_mmu.o
 obj-$(CONFIG_44x)		+= 44x_mmu.o
 obj-$(CONFIG_FSL_BOOKE)		+= fsl_booke_mmu.o