CONFIG_OF_KOBJ (not configurable)

modulename: kobj.ko

configname: CONFIG_OF_KOBJ

Linux Kernel Configuration
└─>Device Drivers
└─>Device Tree and Open Firmware support
└─>OF_KOBJ
In linux kernel since version 4.2 (release Date: 2015-08-30)  
source code:
depends
CONFIG_OF

is depended by
CONFIG_OF_DYNAMIC