sh: sh-rtc wakeup support

Flag that the SuperH RTC supports wakeup.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

drivers/rtc/rtc-sh.c

@@ -755,6 +755,7 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev)
 		rtc_set_time(rtc->rtc_dev, &r);
 	}
 
+	device_init_wakeup(&pdev->dev, 1);
 	return 0;
 
 err_unmap: