CONFIG_BFIN526_EZBRD is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_BFIN526_EZBRD.
Result is shown for kernelversion 6.7-rc3

BF526-EZBRD

modulename: ezbrd.ko

configname: CONFIG_BFIN526_EZBRD

System type
└─>BF526-EZBRD
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
BF526-EZBRD/EZKIT Lite board support.

source code:
arch/blackfin/mach-bf527/boards/ezbrd.c