CONFIG_SIBYTE_BCM112X is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
CONFIG_SIBYTE_BCM112X (not configurable)
modulename: fixup-sb1250.ko
configname: CONFIG_SIBYTE_BCM112X
Linux/MIPS Kernel Configuration
└─>Machine selection
└─>SIBYTE_BCM112X