Fix RUTX support

root/target/linux/ipq40xx/base-files/lib/preinit/75_stm32_autoflash

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+do_stm32_autoflash() {
+	# launch STM32 flash utility
+	[ -e "/sys/r2ec/reset" -a -f /usr/bin/autoflash ] && {
+		/usr/bin/autoflash
+	}
+}
+
+[ "$INITRAMFS" = "1" ] || boot_hook_add preinit_main do_stm32_autoflash

root/target/linux/ipq40xx/base-files/lib/preinit/82_modem_power

@@ -0,0 +1,20 @@
+set_state() {
+	local label="$1"
+	local disable
+
+	[ -e "/sys/class/gpio/${label}_power/value" ] || return
+
+	config_get disable ${label} disable
+	[ "${disable}" -eq 1 ] && \
+		/sbin/mctl -s -m "${label}" || \
+		/sbin/mctl -p -m "${label}"
+}
+
+do_power_modem() {
+	[ -z "$(uci -q get system.modem.disable)" ] && /sbin/mctl -p || {
+		config_load system
+		config_foreach set_state mctl
+	}
+}
+
+boot_hook_add preinit_main do_power_modem

root/target/linux/ipq40xx/base-files/lib/preinit/82_version_migrate

@@ -0,0 +1,21 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2010 Vertical Communications
+
+do_check_version() {
+	version="$(uci -q get system.@system[0].device_fw_version)"
+	[ -z "$version" ] && {
+		return 0
+	}
+
+	numeric_version="${version##*_}"
+	client_removed="${numeric_version#*.}"
+	major="${client_removed%%.*}"
+
+	[ -f /sysupgrade.tgz ] && [ -n "$major" ] && [ "$major" -lt 2 ] && {
+		echo "- migration work -"
+		cp /rom/etc/inittab /etc/inittab
+	}
+}
+
+[ "$INITRAMFS" = "1" ] || boot_hook_add preinit_main do_check_version