CONFIG_BF518 is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_BF518.
Result is shown for kernelversion 6.7-rc3
BF518
configname: CONFIG_BF518
CPU
└─>BF518
In linux kernel since version 2.6.29 (release Date: 2009-03-23)
BF518 Processor Support.