ARM: dts: kswitch-d10: enable networking

Enable all the necessary network related nodes, wire the pinctrl
configurations, add the PHYs and connect them to the corresponding
network ports.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220502224127.2604333-14-michael@walle.cc


Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>