spi: mxic: Use devm_platform_ioremap_resource_byname()

Use the devm_platform_ioremap_resource_byname() helper instead of
calling platform_get_resource_byname() and devm_ioremap_resource()
separately.

Signed-off-by: Yang Yingliang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/spi/spi-mxic.c

···
 	if (IS_ERR(mxic->send_dly_clk))
 		return PTR_ERR(mxic->send_dly_clk);
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
-	mxic->regs = devm_ioremap_resource(&pdev->dev, res);
+	mxic->regs = devm_platform_ioremap_resource_byname(pdev, "regs");
 	if (IS_ERR(mxic->regs))
 		return PTR_ERR(mxic->regs);