net-next: stmmac: dwmac-mediatek: remove fine-tune property

1. remove fine-tune property and related setting to simplify
the timing adjustment flow.
2. set timing value according to the value from device tree,
and will not care whether PHY insert internal delay.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Biao Huang 2018-12-19 15:22:41 +08:00 • committed by David S. Miller
commit 22a3a5403b