watchdog: of_xilinx_wdt: drop warning after registering device

The core will print out details now.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

drivers/watchdog/of_xilinx_wdt.c

@@ -238,10 +238,8 @@ static int xwdt_probe(struct platform_device *pdev)
 	}
 
 	rc = devm_watchdog_register_device(dev, xilinx_wdt_wdd);
-	if (rc) {
-		dev_err(dev, "Cannot register watchdog (err=%d)\n", rc);
+	if (rc)
 		return rc;
-	}
 
 	clk_disable(xdev->clk);