CONFIG_BFIN518F_EZBRD is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_BFIN518F_EZBRD.
Result is shown for kernelversion 6.7-rc3

BF518F-EZBRD

modulename: ezbrd.ko

configname: CONFIG_BFIN518F_EZBRD

System type
└─>BF518F-EZBRD
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
BF518-EZBRD board support.

source code:
arch/blackfin/mach-bf518/boards/ezbrd.c