watchdog: menf21bmc_wdt: drop warning after registering device

The core will print out details now.

Signed-off-by: Wolfram Sang <[e-mail]>
Signed-off-by: Guenter Roeck <[e-mail]>
Signed-off-by: Wim Van Sebroeck <[e-mail]>

drivers/watchdog/menf21bmc_wdt.c

···
 	}
 
 	ret = devm_watchdog_register_device(dev, &drv_data->wdt);
-	if (ret) {
-		dev_err(dev, "failed to register Watchdog device\n");
+	if (ret)
 		return ret;
-	}
 
 	dev_info(dev, "MEN 14F021P00 BMC Watchdog device enabled\n");