sh: Split out arch/sh/kernel/process.c for _32 and _64 variants.

Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/kernel/Makefile_32

@@ -4,8 +4,8 @@
 
 extra-y	:= head.o init_task.o vmlinux.lds
 
-obj-y	:= debugtraps.o io.o io_generic.o irq.o machvec.o process.o ptrace.o \
-	   semaphore.o setup.o signal.o sys_sh.o syscalls.o \
+obj-y	:= debugtraps.o io.o io_generic.o irq.o machvec.o process_32.o \
+	   ptrace.o semaphore.o setup.o signal.o sys_sh.o syscalls.o \
 	   time.o topology.o traps.o
 
 obj-y				+= cpu/ timers/