CONFIG_MACH_SIM_ONE is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Support Simplemachines Sim.One board

modulename: simone.ko

configname: CONFIG_MACH_SIM_ONE

Linux Kernel Configuration
└─>EP93xx-based
└─>Cirrus EP93xx Implementation Options
└─>Support Simplemachines Sim.One board
In linux kernel since version 2.6.34 (release Date: 2010-05-16)  
Say 'Y' here if you want your kernel to support the
Simplemachines Sim.One board.

source code:
arch/arm/mach-ep93xx/simone.c