bcm53xx: add missing system.sh include

It's needed for macaddr_add.

Fixes: 5ed23223fd1f ("bcm53xx: set WAN MAC address to don't share one with LAN interface")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

diff --git a/target/linux/bcm53xx/base-files/etc/board.d/02_network b/target/linux/bcm53xx/base-files/etc/board.d/02_network
index fa2837cba2bb20a18889526e6f81a44b920c025b..89bd544950a98581861b36159e28dcc229a1bdd2 100755 (executable)
--- a/target/linux/bcm53xx/base-files/etc/board.d/02_network
+++ b/target/linux/bcm53xx/base-files/etc/board.d/02_network
@@ -3,6 +3,7 @@
 # Copyright (C) 2011 OpenWrt.org
 #
 
+. /lib/functions/system.sh
 . /lib/functions/uci-defaults.sh
 
 board_config_update