spi: clps711x: use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190904135918.25352-11-yuehaibing@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-clps711x.c

@@ -91,7 +91,6 @@ static int spi_clps711x_probe(struct platform_device *pdev)
 {
 	struct spi_clps711x_data *hw;
 	struct spi_master *master;
-	struct resource *res;
 	int irq, ret;
 
 	irq = platform_get_irq(pdev, 0);
@@ -125,8 +124,7 @@ static int spi_clps711x_probe(struct platform_device *pdev)
 		goto err_out;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	hw->syncio = devm_ioremap_resource(&pdev->dev, res);
+	hw->syncio = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(hw->syncio)) {
 		ret = PTR_ERR(hw->syncio);
 		goto err_out;