rtc: make rtc-ds1553 driver hotplug-aware

The rtc-ds1553 platform driver name doesn't match its module name, which
might prevent it from properly hotplugging.  This driver has no in-tree
users.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-ds1553.c

@@ -395,7 +395,7 @@ static struct platform_driver ds1553_rtc_driver = {
 	.probe		= ds1553_rtc_probe,
 	.remove		= __devexit_p(ds1553_rtc_remove),
 	.driver		= {
-		.name	= "ds1553",
+		.name	= "rtc-ds1553",
 		.owner	= THIS_MODULE,
 	},
 };