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

none

configname: CONFIG_BF_REV_NONE

Silicon Rev
└─>none
In linux kernel since version 2.6.24 (release Date: 2008-01-24)