[][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-dsa-10g-spim-nor.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nor.dts
index cdc7c90..19430fe 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nor.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nor.dts
@@ -131,6 +131,13 @@
 		};
 	};
 
+	gbe_led0_pins: gbe-pins {
+		mux {
+			function = "led";
+			groups = "gbe_led0";
+		};
+	};
+
 	pcie0_pins: pcie0-pins {
 		mux {
 			function = "pcie";
@@ -184,7 +191,7 @@
 
 &eth {
 	pinctrl-names = "default";
-	pinctrl-0 = <&mdio0_pins>;
+	pinctrl-0 = <&mdio0_pins>, <&gbe_led0_pins>;
 	status = "okay";
 
 	gmac0: mac@0 {