CONFIG_BF548M is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_BF548M.
Result is shown for kernelversion 6.7-rc3
BF548m
configname: CONFIG_BF548M
CPU
└─>BF548m
In linux kernel since version 2.6.29 (release Date: 2009-03-23)
BF548 Processor Support.