Fix 4E dtbs for 7.1 branch.

Author: wteiken

arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-pro-4e.dts

@@ -19,7 +19,7 @@
 	ports {
 		port6: port@6 {
 			reg = <12>;
-			label = "lan4";
+			label = "lan7";
 			phy-mode = "usxgmii";
 			phy-connection-type = "usxgmii";
 			managed = "in-band-status";
@@ -36,5 +36,5 @@
 
 &gsw_port2 {
         status = "okay";
-	label = "lan5";
+	label = "lan6";
 };