dw_dmac: remove unnecessary ENODEV check

If CONFIG_OF is not set the of_node of the device will always be NULL.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/dw_dmac.c

@@ -1828,7 +1828,7 @@ static int dw_probe(struct platform_device *pdev)
 	if (pdev->dev.of_node) {
 		err = of_dma_controller_register(pdev->dev.of_node,
 						 dw_dma_of_xlate, dw);
-		if (err && err != -ENODEV)
+		if (err)
 			dev_err(&pdev->dev,
 				"could not register of_dma_controller\n");
 	}