CONFIG_ARCH_AT91RM9200 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
AT91RM9200
modulename: at91rm9200_devices.ko
configname: CONFIG_ARCH_AT91RM9200
ARM system type
└─>AT91RM9200
In linux kernel since version 2.6.16.30-pre1 (release Date: 2006-09-22)
Say Y here if you intend to run this kernel on an Atmel
AT91RM9200-based board.
AT91RM9200-based board.