watchdog: imx_sc: Remove unnecessary error log

An error message is already displayed by watchdog_register_device()
when failed, so no need to have error log again for failure of
calling devm_watchdog_register_device().

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20190812084434.13316-1-Anson.Huang@nxp.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

drivers/watchdog/imx_sc_wdt.c

@@ -175,11 +175,8 @@ static int imx_sc_wdt_probe(struct platform_device *pdev)
 	watchdog_stop_on_unregister(wdog);
 
 	ret = devm_watchdog_register_device(dev, wdog);
-
- 	if (ret) {
- 		dev_err(dev, "Failed to register watchdog device\n");
+	if (ret)
  		return ret;
- 	}
 
 	ret = imx_scu_irq_group_enable(SC_IRQ_GROUP_WDOG,
 				       SC_IRQ_WDOG,