CONFIG_OF_EARLY_FLATTREE (not configurable)

modulename: fdt_address.ko

configname: CONFIG_OF_EARLY_FLATTREE

Linux Kernel Configuration
└─>Device Drivers
└─>Device Tree and Open Firmware support
└─>OF_EARLY_FLATTREE
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
source code:
drivers/of/fdt_address.c

depends
CONFIG_OF

is selected by
CONFIG_OF_UNITTEST