board: freescale: lx2160a: remove code under !CONFIG_DM_ETH

Now that DM_ETH is enabled by default, there is no point in keeping the
non-DM_ETH code which initialized the ethernet interfaces.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
4 files changed