Add an incomplete API to XHCI
Adds a basic API that allows higher-level USB drivers to select configurations from the device-provided descriptors, through ConfigureEndpoint (XHCI) and SET_CONFIGURATION (USB3 and possibly USB2).
Adds a basic API that allows higher-level USB drivers to select configurations from the device-provided descriptors, through ConfigureEndpoint (XHCI) and SET_CONFIGURATION (USB3 and possibly USB2).