spi: rockchip-sfc: Use devm_platform_ioremap_resource()

Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_ioremap_resource(), as this is exactly what this
function does.

Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20230329062450.58924-1-yang.lee@linux.alibaba.com
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-rockchip-sfc.c

@@ -558,7 +558,6 @@ static int rockchip_sfc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct spi_master *master;
-	struct resource *res;
 	struct rockchip_sfc *sfc;
 	int ret;
 
@@ -576,8 +575,7 @@ static int rockchip_sfc_probe(struct platform_device *pdev)
 	sfc = spi_master_get_devdata(master);
 	sfc->dev = dev;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	sfc->regbase = devm_ioremap_resource(dev, res);
+	sfc->regbase = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(sfc->regbase))
 		return PTR_ERR(sfc->regbase);