usb: dwc3: omap: fix ordering for runtime pm calls

commit 81a60b7f upstream.

we don't to gate clocks until our children are
done with their remove path.

Fixes: af310e96 (usb: dwc3: omap: use runtime API's to enable clocks)
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

drivers/usb/dwc3/dwc3-omap.c

@@ -592,9 +592,9 @@ static int dwc3_omap_remove(struct platform_device *pdev)
 	if (omap->extcon_id_dev.edev)
 		extcon_unregister_interest(&omap->extcon_id_dev);
 	dwc3_omap_disable_irqs(omap);
+	device_for_each_child(&pdev->dev, NULL, dwc3_omap_remove_core);
 	pm_runtime_put_sync(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
-	device_for_each_child(&pdev->dev, NULL, dwc3_omap_remove_core);
 
 	return 0;
 }