CONFIG_MACH_NOKIA_N800 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_MACH_NOKIA_N800 (not configurable)
configname: CONFIG_MACH_NOKIA_N800
Linux Kernel Configuration
└─>TI OMAP2/3/4 Specific Features
└─>MACH_NOKIA_N800