CONFIG_CPU_FREQ_SA1100 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_CPU_FREQ_SA1100.
Result is shown for kernelversion 6.2.5

CONFIG_CPU_FREQ_SA1100 (not configurable)

modulename: cpu-sa1100.ko

configname: CONFIG_CPU_FREQ_SA1100

Linux Kernel Configuration
└─>CPU Power Management
└─>CPU_FREQ_SA1100
In linux kernel since version 2.6.12  
source code: