default or selected kernelversion does not have config value CONFIG_RT2X00_LIB_RFKILL.
Result is shown for kernelversion 5.3.7
CONFIG_RT2X00_LIB_RFKILL (not configurable)
configname: CONFIG_RT2X00_LIB_RFKILL
Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wireless LAN
└─>RT2X00_LIB_RFKILL