Initialize the MDIO peripheral clock (normally done during GMAC
initialization) before trying any MDIO transfers, preventing startup
errors.
Signed-off-by: Nick Kraus <nick@nckraus.com>
This update Atmel sam and sam0 ethernet gmac and mdio drivers to use
pinctrl driver and API. It updates all boards with new pinctrl groups
format.
Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>