dwc2: hcd: use USB_DT_HUB

Fix  using the  bare number to set the 'bDescriptorType' field of the Hub
Descriptor while the value  is #define'd in <linux/usb/ch11.h>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/dwc2/hcd.c

@@ -1616,7 +1616,7 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
 		dev_dbg(hsotg->dev, "GetHubDescriptor\n");
 		hub_desc = (struct usb_hub_descriptor *)buf;
 		hub_desc->bDescLength = 9;
-		hub_desc->bDescriptorType = 0x29;
+		hub_desc->bDescriptorType = USB_DT_HUB;
 		hub_desc->bNbrPorts = 1;
 		hub_desc->wHubCharacteristics =
 			cpu_to_le16(HUB_CHAR_COMMON_LPSM |