clk: mediatek: mt7622: use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Signed-off-by: YueHaibing <[e-mail]>
Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/mediatek/clk-mt7622.c

···
 	struct clk_onecell_data *clk_data;
 	void __iomem *base;
 	struct device_node *node = pdev->dev.of_node;
-	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
···
 	void __iomem *base;
 	int r;
 	struct device_node *node = pdev->dev.of_node;
-	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);