usb: dwc3: qcom: simplify with devm_platform_ioremap_resource

Use devm_platform_ioremap_resource() wrapper instead of two calls.  This
allows also dropping local 'res' variable.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240814-b4-cleanup-h-of-node-put-usb-v1-8-95481b9682bc@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: krzk

drivers/usb/dwc3/dwc3-qcom.c

@@ -735,7 +735,6 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 	struct device_node	*np = pdev->dev.of_node;
 	struct device		*dev = &pdev->dev;
 	struct dwc3_qcom	*qcom;
-	struct resource		*res;
 	int			ret, i;
 	bool			ignore_pipe_clk;
 	bool			wakeup_source;
@@ -773,9 +772,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 		goto reset_assert;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	qcom->qscratch_base = devm_ioremap_resource(dev, res);
+	qcom->qscratch_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(qcom->qscratch_base)) {
 		ret = PTR_ERR(qcom->qscratch_base);
 		goto clk_disable;