pico-imx6ul: Add Ethernet support

Pico-imx6ul has a KSZ8081 Ethernet PHY.

Add support for it.

Signed-off-by: Diego Dorta <diego.dorta@nxp.com>
Acked-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
2 files changed