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 <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221029071720.3041094-1-yangyingliang@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-mxic.c

@@ -772,8 +772,7 @@ static int mxic_spi_probe(struct platform_device *pdev)
 	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);