Fix documentation of the board LED driver (thanks to Karl Lunt).

LUFA/Drivers/Board/LEDs.h

@@ -80,11 +80,11 @@
  *      // Turn on each of the four LEDs in turn
  *      LEDs_SetAllLEDs(LEDS_LED1);
  *      Delay_MS(500);
- *      LEDs_SetAllLEDs(LEDS_LED1);
+ *      LEDs_SetAllLEDs(LEDS_LED2);
  *      Delay_MS(500);
- *      LEDs_SetAllLEDs(LEDS_LED1);
+ *      LEDs_SetAllLEDs(LEDS_LED3);
  *      Delay_MS(500);
- *      LEDs_SetAllLEDs(LEDS_LED1);
+ *      LEDs_SetAllLEDs(LEDS_LED4);
  *      Delay_MS(500);
  *
  *      // Turn on all LEDs