CONFIG_BF523 is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_BF523.
Result is shown for kernelversion 6.7-rc3
BF523
configname: CONFIG_BF523
CPU
└─>BF523
In linux kernel since version 2.6.25 (release Date: 2008-04-16)
BF523 Processor Support.