watchdog: rti_wdt: don't print out if registering watchdog fails

The core will do this already.

Signed-off-by: Wolfram Sang <[e-mail]>
Reviewed-by: Guenter Roeck <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Guenter Roeck <[e-mail]>
Signed-off-by: Wim Van Sebroeck <[e-mail]>

drivers/watchdog/rti_wdt.c

···
 	watchdog_init_timeout(wdd, heartbeat, dev);
 
 	ret = watchdog_register_device(wdd);
-	if (ret) {
-		dev_err(dev, "cannot register watchdog device\n");
+	if (ret)
 		goto err_iomap;
-	}
 
 	if (last_ping)
 		watchdog_set_last_hw_keepalive(wdd, last_ping);