clk: fsl-sai: Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.

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

drivers/clk/clk-fsl-sai.c

···
 	struct clk_parent_data pdata = { .index = 0 };
 	void __iomem *base;
 	struct clk_hw *hw;
-	struct resource *res;
 
 	sai_clk = devm_kzalloc(dev, sizeof(*sai_clk), GFP_KERNEL);
 	if (!sai_clk)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);