ASoC: fsl_xcvr: Use devm_platform_ioremap_resource_byname() to simplify code

In this function, devm_platform_ioremap_resource_byname() should be
suitable to simplify code.
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20210302125002.23900-1-tangbin@cmss.chinamobile.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_xcvr.c

@@ -1130,7 +1130,7 @@ static int fsl_xcvr_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct fsl_xcvr *xcvr;
-	struct resource *ram_res, *regs_res, *rx_res, *tx_res;
+	struct resource *rx_res, *tx_res;
 	void __iomem *regs;
 	int ret, irq;
 
@@ -1165,13 +1165,11 @@ static int fsl_xcvr_probe(struct platform_device *pdev)
 		return PTR_ERR(xcvr->pll_ipg_clk);
 	}
 
-	ram_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ram");
-	xcvr->ram_addr = devm_ioremap_resource(dev, ram_res);
+	xcvr->ram_addr = devm_platform_ioremap_resource_byname(pdev, "ram");
 	if (IS_ERR(xcvr->ram_addr))
 		return PTR_ERR(xcvr->ram_addr);
 
-	regs_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
-	regs = devm_ioremap_resource(dev, regs_res);
+	regs = devm_platform_ioremap_resource_byname(pdev, "regs");
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);