CONFIG_MDIO_THUNDER is not available for thedefaultarchitecture x86.
Result is shown for architecture 64BIT
ThunderX SOCs MDIO buses
modulename: mdio-thunder.ko
configname: CONFIG_MDIO_THUNDER
Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>ThunderX SOCs MDIO buses
In linux kernel since version 3.10 (release Date: 2013-06-30)
This driver supports the MDIO interfaces found on Cavium
ThunderX SoCs when the MDIO bus device appears as a PCI
device.
ThunderX SoCs when the MDIO bus device appears as a PCI
device.