ar71xx: ens202ext: Fix whitespace issues

I've missed leading whitespace issues in the original patch, so fixing
it in this commit. Thanks to pepe2k for letting me know.

Fixes: d260813d ("ar71xx: ens202ext: Fix VLAN switch")
Signed-off-by: Petr Štetiar <ynezz@true.cz>

target/linux/ar71xx/base-files/etc/board.d/02_network

@@ -582,10 +582,10 @@ ar71xx_setup_interfaces()
 			"0@eth0" "1:lan:1" "2:lan:2" "3:lan:3" "4:lan:4" "5:wan"
 		;;
 	ens202ext)
-                ucidef_set_interfaces_lan_wan "eth1.1" "eth1.2"
-                ucidef_add_switch "switch0" \
-                        "0@eth1" "2:lan:1" "3:lan:2" "4:lan:3" "5:lan:4" "1:wan"
-                ;;
+		ucidef_set_interfaces_lan_wan "eth1.1" "eth1.2"
+		ucidef_add_switch "switch0" \
+			"0@eth1" "2:lan:1" "3:lan:2" "4:lan:3" "5:lan:4" "1:wan"
+		;;
 	*)
 		ucidef_set_interfaces_lan_wan "eth0" "eth1"
 		;;