[U-boot, 2/2] arm: dts: mediatek: enable sgmii mode and mt7531 switch for mt7629

[MarkLee]

This patch enable sgmii mode and mt7531 switch support 
in mt7629 ethernet dts node.

Signed-off-by: MarkLee <mark-mc....@mediatek.com>
---
 arch/arm/dts/mt7629-rfb.dts | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/arch/arm/dts/mt7629-rfb.dts b/arch/arm/dts/mt7629-rfb.dts
index 687fe1c029..5864f5551b 100644
--- a/arch/arm/dts/mt7629-rfb.dts
+++ b/arch/arm/dts/mt7629-rfb.dts
@@ -24,12 +24,14 @@
 
 &eth {
        status = "okay";
-       mediatek,gmac-id = <1>;
-       phy-mode = "gmii";
-       phy-handle = <&phy0>;
+       mediatek,gmac-id = <0>;
+       phy-mode = "sgmii";
+       mediatek,switch = "mt7531";
+       reset-gpios = <&gpio 28 GPIO_ACTIVE_HIGH>;
 
-       phy0: ethernet-phy@0 {
-               reg = <0>;
+       fixed-link {
+               speed = <1000>;
+               full-duplex;
        };
 };
 
-- 
2.17.1