CONFIG_S5PC110_DEV_ONENAND is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_S5PC110_DEV_ONENAND.
Result is shown for kernelversion 5.4.229

CONFIG_S5PC110_DEV_ONENAND (not configurable)

modulename: dev-onenand.ko

configname: CONFIG_S5PC110_DEV_ONENAND

Linux Kernel Configuration
└─>S5PC110_DEV_ONENAND
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
Compile in platform device definition for OneNAND1 controller

source code: