default or selected kernelversion does not have config value CONFIG_VIDEOMODE.
Result is shown for kernelversion 5.4.159

CONFIG_VIDEOMODE (not configurable)

modulename: videomode.ko

configname: CONFIG_VIDEOMODE

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>VIDEOMODE
In linux kernel since version 3.9 (release Date: 2013-04-28)  
source code:
drivers/video/videomode.c

is depended by
CONFIG_OF_VIDEOMODE