* handling of USB Start of Frame events while in USB Host mode
* - Added new PRNT_Host_BytesReceived() and PRNT_Host_ReceiveByte() functions to the Print Host Class driver
* - Added class specific descriptor type defines with standard USB-IF element naming
* handling of USB Start of Frame events while in USB Host mode
* - Added new PRNT_Host_BytesReceived() and PRNT_Host_ReceiveByte() functions to the Print Host Class driver
* - Added class specific descriptor type defines with standard USB-IF element naming