configs: ls1028a: enable networking options in rdb, qds defconfig

Enables ethernet, MDIO, PHY drivers for LS1028A RDB and QDS.

Signed-off-by: Alex Marginean <alexm.osslist@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
4 files changed