CONFIG_ARCH_AT91SAM9G10 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_ARCH_AT91SAM9G10.
Result is shown for kernelversion 6.5.1

CONFIG_ARCH_AT91SAM9G10 (not configurable)

configname: CONFIG_ARCH_AT91SAM9G10

Linux Kernel Configuration
└─>Atmel Non-DT world
└─>ARCH_AT91SAM9G10
In linux kernel since version 2.6.32 (release Date: 2009-12-02)