usb: dwc3: Fix error return code in dwc3_qcom_probe()

Fix to return error code -ENODEV from the get device failed error
handling case instead of 0, as done elsewhere in this function.

Fixes: a4333c3a6ba9 ("usb: dwc3: Add Qualcomm DWC3 glue driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/dwc3/dwc3-qcom.c

@@ -490,6 +490,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 	qcom->dwc3 = of_find_device_by_node(dwc3_np);
 	if (!qcom->dwc3) {
 		dev_err(&pdev->dev, "failed to get dwc3 platform device\n");
+		ret = -ENODEV;
 		goto depopulate;
 	}