[usb/usbehci]
- Implement tracking port status and change status.
- When device has connected on port, set the port status. For now assume high speed device.
- Fix returning root hubs Status Change Endpoint for URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER.
- Implement USB_REQUEST_GET_STATUS for functions URB_FUNCTION_GET_STATUS_FROM_DEVICE and URB_FUNCTION_CLASS_OTHER. Implement USB_REQUEST_CLEAR_FEATURE and USB_REQUEST_SET_FEATURE.
- Implement IOCTL_INTERNAL_USB_GET_DEVICE_HANDLE to return the root hubs device handle, fix IOCTL_INTERNAL_USB_GET_HUB_COUNT to return 1 vice 0 as the root hub must be accounted for.
- Code based on XEN PV Drivers by James Harper.
svn path=/trunk/; revision=46660