[][mt7988][eth][arm64: dts: Add GbE & Internal 2.5GbE LED pinmux]

[Description]
Add GbE & Internal 2.5GbE LED pinmux

[Release-log]
N/A

Change-Id: I86f868ea9e800e5ffde510219bc86db50dff3abe
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7340973
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts
index 43332d4..2203af2 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-gsw-10g-sfp-spim-nand.dts
@@ -228,6 +228,13 @@
 };
 
 &pio {
+	gbe_led0_pins: gbe-pins {
+		mux {
+			function = "led";
+			groups = "gbe_led0";
+		};
+	};
+
 	i2c0_pins: i2c0-pins-g0 {
 		mux {
 			function = "i2c";
@@ -301,6 +308,8 @@
 };
 
 &eth {
+	pinctrl-names = "default";
+	pinctrl-0 = <&gbe_led0_pins>;
 	status = "okay";
 
 	gmac0: mac@0 {