CONFIG_USE_MDIO is not available for thedefaultarchitecture x86.
Result is shown for architecture ppc
default or selected kernelversion does not have config value CONFIG_USE_MDIO.
Result is shown for kernelversion 5.4.123
Use MDIO for PHY configuration
configname: CONFIG_USE_MDIO
Linux Kernel Configuration
└─>CPM2 Options
└─>Use MDIO for PHY configuration