ath79: fix leading whitespaces in generic 01_leds

Use tabs consistently.

Signed-off-by: Adrian Schmutzler <[email protected]>

target/linux/ath79/generic/base-files/etc/board.d/01_leds

@@ -85,8 +85,8 @@ avm,fritzdvbc)
 	;;
 buffalo,wzr-hp-g300nh-rb|\
 buffalo,wzr-hp-g300nh-s)
-        ucidef_set_led_netdev "router" "Router" "green:router" "eth1"
-        ;;
+	ucidef_set_led_netdev "router" "Router" "green:router" "eth1"
+	;;
 comfast,cf-e110n-v2)
 	ucidef_set_led_netdev "lan" "LAN" "green:lan" "eth1"
 	ucidef_set_led_switch "wan" "WAN" "green:wan" "switch0" "0x02"