usb: dwc3: xilinx: add missing depopulate in probe error path

Depopulate device in probe error paths to fix leak of children
resources.

Fixes: 53b5ff8 ("usb: dwc3: xilinx: improve error handling for PM APIs")
Cc: stable@vger.kernel.org
Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240816075409.23080-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: krzk

drivers/usb/dwc3/dwc3-xilinx.c

@@ -327,9 +327,14 @@ static int dwc3_xlnx_probe(struct platform_device *pdev)
 		goto err_pm_set_suspended;
 
 	pm_suspend_ignore_children(dev, false);
-	return pm_runtime_resume_and_get(dev);
+	ret = pm_runtime_resume_and_get(dev);
+	if (ret < 0)
+		goto err_pm_set_suspended;
+
+	return 0;
 
 err_pm_set_suspended:
+	of_platform_depopulate(dev);
 	pm_runtime_set_suspended(dev);
 
 err_clk_put: