memory: renesas-rpc-if: simplify platform_get_resource_byname()

Use devm_platform_ioremap_resource_byname() instead of
platform_get_resource_byname() and devm_ioremap_resource().
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220419142859.380566-7-krzysztof.kozlowski@linaro.org

drivers/memory/renesas-rpc-if.c

@@ -229,8 +229,7 @@ int rpcif_sw_init(struct rpcif *rpc, struct device *dev)
 
 	rpc->dev = dev;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
-	rpc->base = devm_ioremap_resource(&pdev->dev, res);
+	rpc->base = devm_platform_ioremap_resource_byname(pdev, "regs");
 	if (IS_ERR(rpc->base))
 		return PTR_ERR(rpc->base);