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>
                struct usb_hub_descriptor *desc = (void *)buf;
 
                desc->bDescLength = 9;
-               desc->bDescriptorType = 0x29;
+               desc->bDescriptorType = USB_DT_HUB;
                desc->bNbrPorts = 1;
                desc->wHubCharacteristics = cpu_to_le16(
                        HUB_CHAR_INDV_PORT_LPSM /* per-port power switching */