clk: sunxi-ng: ccu-sun8i-a83t: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210907085213.4662-1-caihuoqing@baidu.com

drivers/clk/sunxi-ng/ccu-sun8i-a83t.c

@@ -887,12 +887,10 @@ static void sun8i_a83t_cpu_pll_fixup(void __iomem *reg)
 
 static int sun8i_a83t_ccu_probe(struct platform_device *pdev)
 {
-	struct resource *res;
 	void __iomem *reg;
 	u32 val;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	reg = devm_ioremap_resource(&pdev->dev, res);
+	reg = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(reg))
 		return PTR_ERR(reg);