default or selected kernelversion does not have config value CONFIG_EDAC_SUPPORT.
Result is shown for kernelversion 6.9-rc5

CONFIG_EDAC_SUPPORT (not configurable)

configname: CONFIG_EDAC_SUPPORT

Linux Kernel Configuration
└─>Device Drivers
└─>EDAC_SUPPORT
In linux kernel since version 3.1 (release Date: 2011-10-24)  
is depended by
CONFIG_ARCH_LAYERSCAPE