kernelconfig_penguin
CONFIG_ARM_EXYNOS4210_CPUFREQ is not available for the default architecture x86.
Result is shown for architecture arm or arm64
default or selected kernelversion does not have config value CONFIG_ARM_EXYNOS4210_CPUFREQ.
Result is shown for kernelversion 4.1.9

SAMSUNG EXYNOS4210

configname: CONFIG_ARM_EXYNOS4210_CPUFREQ

Linux Kernel Configuration
└─> SAMSUNG EXYNOS4210

This adds the CPUFreq driver for Samsung EXYNOS4210
SoC (S5PV310 or S5PC210).

If in doubt, say N.