Changes to include XMEGA D3 family.

RF24.h

@@ -1847,7 +1847,7 @@ private:
  * 
  * The RF24 driver can be build as a static library with Atmel Studio 7 in order to be included as any other library in another program for the XMEGA family.
  *
- * Currently only the </b>ATXMEGA256D3</b> is implemented.
+ * Currently only the </b>ATXMEGA D3</b> family is implemented.
  * 
  * @section Preparation 
  * 
@@ -1856,7 +1856,7 @@ private:
  * 
  * @code
  * utility\
- *   ATXMega256D3\
+ *   ATXMegaD3\
  *     compatibility.c
  *     compatibility.h
  *     gpio.cpp

RF24_config.h

@@ -28,9 +28,10 @@
   #if defined SPI_HAS_TRANSACTION && !defined SPI_UART && !defined SOFTSPI
     #define RF24_SPI_TRANSACTIONS
   #endif
-  
+ 
+ 
 //ATXMega
-#if defined(__AVR_ATxmega256D3__) // In order to be available both in windows and linux this should take presence here.
+#if defined(__AVR_ATxmega64D3__) || defined(__AVR_ATxmega128D3__) || defined(__AVR_ATxmega192D3__) || defined(__AVR_ATxmega256D3__) || defined(__AVR_ATxmega384D3__) // In order to be available both in windows and linux this should take presence here.
   #define XMEGA
   #define XMEGA_D3
   #include "utility/ATXMegaD3/RF24_arch_config.h"