[][dts: mt7981: add efuse node for gphy calibration]

[Description]
Add efuse node & gphy attributes for gphy calibration

[Release-log]
N/A

Change-Id: I53aaf07fea1c4e3c6b410f6c957a61f55a2275a3
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5241556
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-sd-rfb.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-sd-rfb.dts
index 704844f..713f76f 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-sd-rfb.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-sd-rfb.dts
@@ -71,7 +71,14 @@
 		#size-cells = <0>;
 
 		phy0: ethernet-phy@0 {
+			compatible = "ethernet-phy-id03a2.9461";
 			reg = <0>;
+			phy-mode = "gmii";
+			rext = "sw";
+			tx_r50 = "sw";
+			tx_vcm = "sw";
+			nvmem-cells = <&phy_calibration>;
+			nvmem-cell-names = "phy-cal-data";
 		};
 
 		switch@0 {