usb: dwc2: Init desc_before_addr

Initialize desc_before_addr, otherwise the USB core won't send the
first 64B Get Device Descriptor request in common/usb.c function
usb_setup_descriptor() . There are some USB devices which expect
this sequence and otherwise can misbehave.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Tom Rini <trini@konsulko.com>

drivers/usb/host/dwc2.c

@@ -1201,6 +1201,9 @@ static int dwc2_usb_ofdata_to_platdata(struct udevice *dev)
 static int dwc2_usb_probe(struct udevice *dev)
 {
 	struct dwc2_priv *priv = dev_get_priv(dev);
+	struct usb_bus_priv *bus_priv = dev_get_uclass_priv(dev);
+
+	bus_priv->desc_before_addr = true;
 
 	return dwc2_init_common(priv);
 }