CONFIG_CPU_SA110 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_CPU_SA110 (not configurable)

modulename: proc-sa110.ko

configname: CONFIG_CPU_SA110

Linux Kernel Configuration
In linux kernel since version 2.6.12  
The Intel StrongARM(R) SA-110 is a 32-bit microprocessor and
is available at five speeds ranging from 100 MHz to 233 MHz.
More information is available at

Say Y if you want support for the SA-110 processor.
Otherwise, say N.

source code: