kernelconfig_penguin
CONFIG_ARM_EXYNOS5250_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_EXYNOS5250_CPUFREQ.
Result is shown for kernelversion 4.2.8

SAMSUNG EXYNOS5250

configname: CONFIG_ARM_EXYNOS5250_CPUFREQ

Linux Kernel Configuration
└─> SAMSUNG EXYNOS5250

This adds the CPUFreq driver for Samsung EXYNOS5250
SoC.

If in doubt, say N.