CONFIG_S3C2412_CPUFREQ is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_S3C2412_CPUFREQ (not configurable)
modulename: cpu-freq.ko
configname: CONFIG_S3C2412_CPUFREQ
Linux Kernel Configuration
└─>S3C2412_CPUFREQ
In linux kernel since version 2.6.32 (release Date: 2009-12-02)
CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.