CONFIG_MIPS_SEAD is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_MIPS_SEAD.
Result is shown for kernelversion 5.4.123
Support for MIPS SEAD board (EXPERIMENTAL)
configname: CONFIG_MIPS_SEAD
Linux/MIPS Kernel Configuration
└─>Machine selection
└─>Support for MIPS SEAD board (EXPERIMENTAL)