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>
        /*
         * See Table 11-13: Hub Descriptor in USB 2.0 spec.
         */
-       desc->bDescriptorType = 0x29;   /* hub descriptor */
+       desc->bDescriptorType = USB_DT_HUB; /* hub descriptor */
        desc->bDescLength = 9;
        desc->wHubCharacteristics = cpu_to_le16(HUB_CHAR_INDV_PORT_LPSM |
                                                HUB_CHAR_COMMON_OCPM);