sh: kprobes: Use trapa #0x3a for breakpoint trap.

Not all parts support trapa #0xff, so use something within the debug trap
range that's accessible on all parts.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index 81a3725..fdd049e 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -525,8 +525,7 @@
 
 void __kprobes jprobe_return(void)
 {
-	__asm("trapa #-1\n\t" "jprobe_return_end:\n\t" "nop\n\t");
-
+	asm volatile ("trapa #0x3a\n\t" "jprobe_return_end:\n\t" "nop\n\t");
 }
 
 int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)