sh: Add kprobe-based event tracer.

This follows the x86/ppc changes for kprobe-based event tracing on sh.
While kprobes is only supported on 32-bit sh, we provide the API for
HAVE_REGS_AND_STACK_ACCESS_API for both 32 and 64-bit.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index e25f3c6..1086ba1 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -14,7 +14,7 @@
 obj-y	:= clkdev.o debugtraps.o dma-nommu.o dumpstack.o 		\
 	   idle.o io.o irq.o						\
 	   irq_$(BITS).o machvec.o nmi_debug.o process.o		\
-	   process_$(BITS).o ptrace_$(BITS).o				\
+	   process_$(BITS).o ptrace.o ptrace_$(BITS).o			\
 	   reboot.o return_address.o					\
 	   setup.o signal_$(BITS).o sys_sh.o sys_sh$(BITS).o		\
 	   syscalls_$(BITS).o time.o topology.o traps.o			\