[usb/usbhub]

[usb/usbhub]
- On completion of SCE request, create and queue a workitem to handle:
Clearing the connection flag and reset the port.
Create and initialize the USB device by calling the appropriate roothubs Direct Call Interface.
Create the device object, get the device descriptors and the serial and product strings of the USB device to be used for creating the deviceid and instanceid.
- Format code and misc changes.
- Together with the usbehci driver, ReactOS at least runs the device installation wizard with the correct device description.

svn path=/trunk/; revision=48771