bcm4908: add board.d network setup

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

target/linux/bcm4908/base-files/etc/board.d/02_network

@@ -0,0 +1,26 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+
+. /lib/functions/system.sh
+. /lib/functions/uci-defaults.sh
+
+bcm4908_setup_interfaces()
+{
+	local board="$1"
+
+	case "$board" in
+	asus,gt-ac5300)
+		ucidef_set_interface_lan "lan1 lan2 lan5 lan6 sw"
+		;;
+	*)
+		ucidef_set_interfaces_lan_wan "lan1 lan2 lan3 lan4" "wan"
+		;;
+	esac
+}
+
+board_config_update
+board=$(board_name)
+bcm4908_setup_interfaces "$board"
+board_config_flush
+
+exit 0