CONFIG_SOC_SIFIVE is not available for thedefaultarchitecture x86.
Result is shown for architecture riscv
default or selected kernelversion does not have config value CONFIG_SOC_SIFIVE.
Result is shown for kernelversion 6.9.9
SiFive SoCs
configname: CONFIG_SOC_SIFIVE
Linux Kernel Configuration
└─>SoC selection
└─>SiFive SoCs
In linux kernel since version 4.14.326 (release Date: 2023-09-23)
This enables support for SiFive SoC platform hardware.