FROMLIST: net: ethernet: arc: Add support emac for RK3036

The RK3036's GRFs offset are different with RK3066/RK3188, and need to set
mac TX/RX clock before probe emac.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>

Bug: 25923642
Patchset: support emac driver patch[3/3].

(am from https://patchwork.kernel.org/patch/7981661/)
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Change-Id: I75b19e4ea45f3b020947095621dab74ab177b25d
2 files changed