configs: rockchip: Enable ethernet driver on RK356x boards

Enable DWC_ETH_QOS_ROCKCHIP and related PHY driver on RK356x boards that
have an enabled gmac node.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
11 files changed