Add patches and packages needed for BPI-r2

root/target/linux/mediatek/base-files/lib/preinit/05_set_preinit_iface

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set_preinit_iface() {
+	ifconfig eth0 up
+	ifname=lan
+}
+
+boot_hook_add preinit_main set_preinit_iface
+

root/target/linux/mediatek/base-files/lib/preinit/06_set_rps_sock_flow

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+set_rps_sock_flow() {
+	echo 1024 > /proc/sys/net/core/rps_sock_flow_entries
+}
+
+boot_hook_add preinit_main set_rps_sock_flow
+

root/target/linux/mediatek/base-files/lib/preinit/07_set_iface_mac

@@ -0,0 +1,48 @@
+#!/bin/sh
+# Copyright (C) 2018 OpenWrt.org
+
+RECOVERY_PART=/dev/mmcblk0p1
+
+preinit_set_mac_address() {
+	local mac
+
+	. /lib/functions.sh
+	. /lib/functions/system.sh
+
+	case $(board_name) in
+	'bananapi,bpi-r2'|\
+	"unielec,u7623"*)
+		if [ -b $RECOVERY_PART ]; then
+			insmod nls_cp437
+			insmod nls_iso8859-1
+			insmod fat
+			insmod vfat
+			mkdir -p /tmp/recovery
+			mount -o rw,noatime $RECOVERY_PART /tmp/recovery
+
+			if [ -f "/tmp/recovery/mac_addr" ];
+			then
+				mac=$(cat /tmp/recovery/mac_addr)
+			else
+				mac=$(cat /sys/class/net/eth0/address)
+				echo "$mac" > /tmp/recovery/mac_addr
+			fi
+
+			sync
+			umount /tmp/recovery
+			rm -rf /tmp/recovery
+		fi
+
+		ip link set dev lan address $mac 2> /dev/null
+
+		mac=$(macaddr_add $mac 1)
+
+		ip link set dev wan1 address $mac 2>/dev/null
+		ip link set dev wan2 address $mac 2>/dev/null
+		ip link set dev wan3 address $mac 2>/dev/null
+		ip link set dev wan4 address $mac 2>/dev/null
+		;;
+	esac
+}
+
+boot_hook_add preinit_main preinit_set_mac_address

root/target/linux/mediatek/base-files/lib/preinit/79_move_config

@@ -0,0 +1,19 @@
+#!/bin/sh
+# Copyright (C) 2015 OpenWrt.org
+
+RECOVERY_PART=/dev/mmcblk0p1
+
+move_config() {
+	if [ -b $RECOVERY_PART ]; then
+		insmod nls_cp437
+		insmod nls_iso8859-1
+		insmod fat
+		insmod vfat
+		mkdir -p /recovery
+		mount -o rw,noatime $RECOVERY_PART /recovery
+		[ -f /recovery/sysupgrade.tgz ] && mv -f /recovery/sysupgrade.tgz /
+		umount /recovery
+	fi
+}
+
+boot_hook_add preinit_mount_root move_config