ipq40xx: base-files: properly close case

Fix this occurrence during boot:
/bin/board_detect: line 10: Unsupported: not found

Fixes: 80baffd2aa91 (" ipq40xx: add support for Pakedge WR-1")
Signed-off-by: Tomasz Maciej Nowak <[email protected]>

target/linux/ipq40xx/base-files/etc/board.d/02_network

@@ -228,6 +228,7 @@ ipq40xx_setup_macs()
 		;;
 	pakedge,wr-1)
 		wan_mac=$(macaddr_add $(get_mac_label) 1)
+		;;
 	esac
 
 	[ -n "$lan_mac" ] && ucidef_set_interface_macaddr "lan" $lan_mac