arm: sunxi: Revert changes merged through net-next.

arm: sunxi: Revert changes merged through net-next.

This reverts commits fcd6131ca94d ("arm: sun8i: sunxi-h3-h5: Add dt node
for the syscon control module") to 854f2c12407f ("arm64: defconfig: Enable
dwmac-sun8i driver on defconfig") and 1d5ebdefdf94 ("arm: sun8i:
orangepipc: use internal phy-mode") to 9e30f58aaa02 ("arm: sun8i:
orangepi-2: use internal phy-mode") that should be merged
through the arm-soc tree, and end up in merge conflicts and build failures.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>