Convert CONFIG_MII et al to Kconfig
This converts the following to Kconfig:
CONFIG_MII
CONFIG_DRIVER_TI_EMAC
Signed-off-by: Adam Ford <aford173@gmail.com>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>