net: dwc_eth_qos: Add board_interface_eth_init() for i.MX93

Add a common board_interface_eth_init() called by the DWC MAC driver to
setup the MAC <-> PHY interface according to the PHY mode obtained from
DT.
Remove the board-side configuration in the i.MX93 EVK files.

Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
2 files changed