realtek: update the tree to the latest refactored version

* rename the target to realtek
* add refactored DSA driver
* add latest gpio driver
* lots of arch cleanups
* new irq driver
* additional boards

Signed-off-by: Bert Vermeulen <bert@biot.com>
Signed-off-by: Birger Koblitz <mail@birger-koblitz.de>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: John Crispin <john@phrozen.org>

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

@@ -0,0 +1,43 @@
+#!/bin/sh
+
+. /lib/functions.sh
+. /lib/functions/uci-defaults.sh
+. /lib/functions/system.sh
+
+rtl838x_setup_switch()
+{
+	local lan lan_list
+
+	for lan in /sys/class/net/lan*; do
+		lan_list="$lan_list $(basename $lan)"
+	done
+	ucidef_set_bridge_device switch
+	ucidef_set_interface_lan "$lan_list"
+}
+
+rtl838x_setup_macs()
+{
+	local board="$1"
+	local lan_mac
+	local wan_mac
+	local label_mac
+
+	case $board in
+	allnet,all-sg8208m|\
+	netgear,gs110tpp-v1)
+		lan_mac=$(mtd_get_mac_ascii u-boot-env ethaddr)
+		label_mac=$lan_mac
+	esac
+
+	[ -n "$lan_mac" ] && ucidef_set_interface_macaddr "lan" $lan_mac
+	[ -n "$wan_mac" ] && ucidef_set_interface_macaddr "wan" $wan_mac
+	[ -n "$label_mac" ] && ucidef_set_label_macaddr $label_mac
+}
+
+board_config_update
+board=$(board_name)
+rtl838x_setup_switch
+rtl838x_setup_macs $board
+board_config_flush
+
+exit 0