CONFIG_BF527 is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_BF527.
Result is shown for kernelversion 6.7-rc3
BF527
configname: CONFIG_BF527
CPU
└─>BF527
In linux kernel since version 2.6.24 (release Date: 2008-01-24)
BF527 Processor Support.