CONFIG_SIBYTE_UNK_BCM1125 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_SIBYTE_UNK_BCM1125.
Result is shown for kernelversion 5.4.123
BCM1125
configname: CONFIG_SIBYTE_UNK_BCM1125
BCM1xxx SOC Type
└─>BCM1125