CONFIG_BOARD_ATSTK1000_J2_RGB is not available for thedefaultarchitecture x86.
Result is shown for architecture avr32
default or selected kernelversion does not have config value CONFIG_BOARD_ATSTK1000_J2_RGB.
Result is shown for kernelversion 6.5.1

RGB leds

configname: CONFIG_BOARD_ATSTK1000_J2_RGB

LEDs connected to J2:
└─>RGB leds
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
Select this if J2 is jumpered to the RGB leds.