spi: spi-mxs: Remove unneeded check for platform_get_resource()

As devm_ioremap_resource() is used on probe, there is no need to explicitly
check the return value from platform_get_resource(), as this is something that
devm_ioremap_resource() takes care by itself.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index 5b0a8e3..d7b3e43 100644
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -513,7 +513,7 @@
 
 	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	irq_err = platform_get_irq(pdev, 0);
-	if (!iores || irq_err < 0)
+	if (irq_err < 0)
 		return -EINVAL;
 
 	base = devm_ioremap_resource(&pdev->dev, iores);