CRIS: v32: Correct auto-restart of syscalls

Register number was incorrect in syscalls
that go via the restartblock (e.g, poll).

Signed-off-by: Edgar Iglesias <Edgar.Iglesias@axis.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>

arch/cris/arch-v32/kernel/signal.c

@@ -587,7 +587,7 @@ do_signal(int canrestart, struct pt_regs *regs)
 		}
 
 		if (regs->r10 == -ERESTART_RESTARTBLOCK){
-			regs->r10 = __NR_restart_syscall;
+			regs->r9 = __NR_restart_syscall;
 			regs->erp -= 2;
 		}
 	}