* - All board drivers now implement dummy functions and constants when BOARD is set to NONE
* - Added missing LEDs to the XMEGA A3BU Xplained board LED driver (thanks to Michael Janssen)
* - Changed board Dataflash drivers to automatically configure the appropriate SPI interface for the selected board
* - All board drivers now implement dummy functions and constants when BOARD is set to NONE
* - Added missing LEDs to the XMEGA A3BU Xplained board LED driver (thanks to Michael Janssen)
* - Changed board Dataflash drivers to automatically configure the appropriate SPI interface for the selected board