HSD#15017850030: arch: arm: agilex3: update phy skew value.

Update the phy skew value based on the theoretically calculated
value, based on the board skew clock (ps)

Signed-off-by: Boon Khai Ng <boon.khai.ng@altera.com>

Author: ngboonkhai

arch/arm64/boot/dts/intel/socfpga_agilex3_socdk.dts

@@ -20,18 +20,18 @@
 		compatible = "snps,dwmac-mdio";
 		emac2_phy0: ethernet-phy@0 {
 			reg = <0>;
-			txd0-skew-ps = <0>; /* -420ps */
-			txd1-skew-ps = <0>; /* -420ps */
-			txd2-skew-ps = <0>; /* -420ps */
-			txd3-skew-ps = <0>; /* -420ps */
-			rxd0-skew-ps = <420>; /* 0ps */
-			rxd1-skew-ps = <420>; /* 0ps */
-			rxd2-skew-ps = <420>; /* 0ps */
-			rxd3-skew-ps = <420>; /* 0ps */
-			txen-skew-ps = <0>; /* -420ps */
-			txc-skew-ps = <900>; /* 0ps */
-			rxdv-skew-ps = <420>; /* 0ps */
-			rxc-skew-ps = <1680>; /* 780ps */
+			rxc-skew-ps = <0>;
+			rxdv-skew-ps = <0>;
+			rxd0-skew-ps = <0>;
+			rxd1-skew-ps = <0>;
+			rxd2-skew-ps = <0>;
+			rxd3-skew-ps = <0>;
+			txc-skew-ps = <0>;
+			txen-skew-ps = <60>;
+			txd0-skew-ps = <60>;
+			txd1-skew-ps = <60>;
+			txd2-skew-ps = <60>;
+			txd3-skew-ps = <60>;
 		};
 	};
 };