usb_create_hcd — create and initialize an HCD structure
| struct usb_hcd * usb_create_hcd ( | const struct hc_driver * driver, | 
| struct device * dev, | |
| const char * bus_name ); | 
driverHC driver that will use this hcd
devdevice for this HC, stored in hcd->self.controller
bus_namevalue to store in hcd->self.bus_name