enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/arch/powerpc/boot/dts/fsl/t104xrdb.dtsi
..
..
@@ -139,12 +139,12 @@
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 		fman@400000 {
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 			ethernet@e6000 {
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 				phy-handle = <&phy_rgmii_0>;
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-				phy-connection-type = "rgmii";
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+				phy-connection-type = "rgmii-id";
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 			};
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 			ethernet@e8000 {
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 				phy-handle = <&phy_rgmii_1>;
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-				phy-connection-type = "rgmii";
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+				phy-connection-type = "rgmii-id";
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 			};
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 			mdio0: mdio@fc000 {