mediatek: configure TUF-AX4200 LAN LEDs

As we can now configure the switch LED configuration, write the switch
LED configuration values from the vendor firmware to the switch-IC.

Previously, the switch-LEDs did not show any acitvity or link-status
whatsoever.

Signed-off-by: David Bauer <[email protected]>

target/linux/mediatek/dts/mt7986a-asus-tuf-ax4200.dts

@@ -267,6 +267,67 @@
 			};
 		};
 	};
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy@1 {
+			reg = <1>;
+
+			mediatek,led-config = <
+				0x21 0x8009 /* BASIC_CTRL */
+				0x22 0x0c00 /* ON_DURATION */
+				0x23 0x1400 /* BLINK_DURATION */
+				0x24 0x8000 /* LED0_ON_CTRL */
+				0x25 0x0000 /* LED0_BLINK_CTRL */
+				0x26 0xc007 /* LED1_ON_CTRL */
+				0x27 0x003f /* LED1_BLINK_CTRL */
+			>;
+		};
+
+		phy@2 {
+			reg = <2>;
+
+			mediatek,led-config = <
+				0x21 0x8009 /* BASIC_CTRL */
+				0x22 0x0c00 /* ON_DURATION */
+				0x23 0x1400 /* BLINK_DURATION */
+				0x24 0x8000 /* LED0_ON_CTRL */
+				0x25 0x0000 /* LED0_BLINK_CTRL */
+				0x26 0xc007 /* LED1_ON_CTRL */
+				0x27 0x003f /* LED1_BLINK_CTRL */
+			>;
+		};
+
+		phy@3 {
+			reg = <3>;
+
+			mediatek,led-config = <
+				0x21 0x8009 /* BASIC_CTRL */
+				0x22 0x0c00 /* ON_DURATION */
+				0x23 0x1400 /* BLINK_DURATION */
+				0x24 0x8000 /* LED0_ON_CTRL */
+				0x25 0x0000 /* LED0_BLINK_CTRL */
+				0x26 0xc007 /* LED1_ON_CTRL */
+				0x27 0x003f /* LED1_BLINK_CTRL */
+			>;
+		};
+
+		phy@4 {
+			reg = <4>;
+
+			mediatek,led-config = <
+				0x21 0x8009 /* BASIC_CTRL */
+				0x22 0x0c00 /* ON_DURATION */
+				0x23 0x1400 /* BLINK_DURATION */
+				0x24 0x8000 /* LED0_ON_CTRL */
+				0x25 0x0000 /* LED0_BLINK_CTRL */
+				0x26 0xc007 /* LED1_ON_CTRL */
+				0x27 0x003f /* LED1_BLINK_CTRL */
+			>;
+		};
+	};
 };
 
 &wmac {