Ethernet PHY on BananaPi M2 Ultra provides RX and TX delays. Fix
ethernet node to reflect that fact.
Fixes: c36fd5a48bd2 ("ARM: dts: sun8i: r40: bananapi-m2-ultra: Enable GMAC ethernet controller")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201025081949.783443-1-jernej.skrabec@siol.net
 
        pinctrl-names = "default";
        pinctrl-0 = <&gmac_rgmii_pins>;
        phy-handle = <&phy1>;
-       phy-mode = "rgmii";
+       phy-mode = "rgmii-id";
        phy-supply = <®_dc1sw>;
        status = "okay";
 };