The dsa.yaml binding contains duplicated bindings for address and size
cells, as well as the reference to dsa-port.yaml. Instead of duplicating
this information, remove the reference to dsa-port.yaml and include the
full reference to dsa.yaml.
Signed-off-by: Colin Foster <colin.foster@xxxxxxxxxxxxxxxx>
Suggested-by: Vladimir Oltean <olteanv@xxxxxxxxx>