fsl-mc: Update dependencies for DM_ETH
When using DM_ETH, which should be the default now, we need to always
have DM_MDIO and FSL_LS_MDIO enabled, so select them.
Cc: Priyanka Jain <[email protected]>
Cc: Rajesh Bhagat <[email protected]>
Cc: Wasim Khan <[email protected]>
Cc: Udit Agarwal <[email protected]>
Cc: Ashish Kumar <[email protected]>
Cc: Meenakshi Aggarwal <[email protected]>
Cc: Patrick Delaunay <[email protected]>
Cc: Patrice Chotard <[email protected]>
Cc: Manish Tomar <[email protected]>
Signed-off-by: Tom Rini <[email protected]>