default or selected kernelversion does not have config value CONFIG_ARM_S3C2416_CPUFREQ_VCORESCALE.
Result is shown for kernelversion 6.9.9

Allow voltage scaling for S3C2416 arm core

configname: CONFIG_ARM_S3C2416_CPUFREQ_VCORESCALE

Linux Kernel Configuration
└─>Power management and ACPI options
└─>CPU Frequency scaling
└─>Allow voltage scaling for S3C2416 arm core
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Enable CPU voltage scaling when entering the dvs mode.
It uses information gathered through existing hardware and
tests but not documented in any datasheet.

If in doubt, say N.