CONFIG_BF549M is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_BF549M.
Result is shown for kernelversion 6.7-rc3
BF549m
configname: CONFIG_BF549M
CPU
└─>BF549m
In linux kernel since version 2.6.29 (release Date: 2009-03-23)
BF549 Processor Support.