realtek: netgear-gs110tpp: Add system LEDs

The GS110TPP has an RGB LED used for system status indication. Expose
all three components as separate GPIO LEDs connected via the device's
RTL8231.

Signed-off-by: Sander Vanheule <sander@svanheule.net>

target/linux/realtek/dts-5.10/rtl8380_netgear_gs110tpp-v1.dts

@@ -1,10 +1,43 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "rtl8380_netgear_gigabit_1xx.dtsi"
+#include <dt-bindings/leds/common.h>
 
 / {
 	compatible = "netgear,gs110tpp-v1", "realtek,rtl838x-soc";
 	model = "Netgear GS110TPP v1";
+
+	aliases {
+		led-boot = &led_status_green;
+		led-failsafe = &led_status_red;
+		led-running = &led_status_green;
+		led-upgrade = &led_status_blue;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_status_red: led-0 {
+			label = "red:status";
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
+		};
+
+		led_status_green: led-1 {
+			label = "green:status";
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&gpio1 32 GPIO_ACTIVE_LOW>;
+		};
+
+		led_status_blue: led-2 {
+			label = "blue:status";
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&gpio1 34 GPIO_ACTIVE_LOW>;
+		};
+	};
 };
 
 &uart1 {