* By default, there exists a LUFA application event for the start of each USB frame while the USB bus is not suspended in either host or device mode.
* This event can be selectively enabled or disabled by calling the appropriate device or host mode function. When this compile time token is defined,
* the ability to receive USB Start of Frame events via the \ref EVENT_USB_Device_StartOfFrame() or \ref EVENT_USB_Host_StartOfFrame() events is removed,
* By default, there exists a LUFA application event for the start of each USB frame while the USB bus is not suspended in either host or device mode.
* This event can be selectively enabled or disabled by calling the appropriate device or host mode function. When this compile time token is defined,
* the ability to receive USB Start of Frame events via the \ref EVENT_USB_Device_StartOfFrame() or \ref EVENT_USB_Host_StartOfFrame() events is removed,