ipq40xx: fix label MAC address for Linksys WHW03 v2

The label MAC address is written inside the case of the whw03 v2 at the bottom.

Similar fix as to the 4040 in b22d382ae4eaa1af42930115d91855f402314cac

Signed-off-by: Florian Maurer <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/17535
Signed-off-by: Robert Marko <[email protected]>
(cherry picked from commit c113982706989c76c69e94e15abce0d316e97f6b)

target/linux/ipq40xx/files-6.6/arch/arm/boot/dts/qcom/qcom-ipq4019-whw03.dtsi

@@ -8,12 +8,12 @@
 
 / {
 	aliases {
-		// TODO: Verify if the ethernet0 alias is needed
 		ethernet0 = &gmac;
 		led-boot = &led_blue;
 		led-failsafe = &led_red;
 		led-running = &led_blue;
 		led-upgrade = &led_red;
+		label-mac-device = &gmac;
 	};
 
 	soc {