[WATCHDOG] watchdog miscdevice patch

It looks like the recent changes to 'struct miscdevice' have impacted
some of the Watchdog drivers.

at91rm9200_wdt.c:205: error: 'struct miscdevice' has no member named 'dev'

For the AT91RM9200 driver I just replaced "miscdevice.dev" with
"miscdevice.parent".

The mpcore_wdt.c and omap_wdt.c seem similarly affected.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/char/watchdog/mpcore_wdt.c b/drivers/char/watchdog/mpcore_wdt.c
index 3404a9c..e88947f 100644
--- a/drivers/char/watchdog/mpcore_wdt.c
+++ b/drivers/char/watchdog/mpcore_wdt.c
@@ -347,7 +347,7 @@
 		goto err_free;
 	}
 
-	mpcore_wdt_miscdev.dev = &dev->dev;
+	mpcore_wdt_miscdev.parent = &dev->dev;
 	ret = misc_register(&mpcore_wdt_miscdev);
 	if (ret) {
 		dev_printk(KERN_ERR, _dev, "cannot register miscdev on minor=%d (err=%d)\n",