ipq40xx: add GL-AP1300 label-mac-device

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

target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4018-gl-ap1300.dts

@@ -14,6 +14,7 @@
 		led-failsafe = &led_power;
 		led-running = &led_power;
 		led-upgrade = &led_power;
+		label-mac-device = &gmac0;
 	};
 
 	memory {