at91: add Device Tree based board detection

Set up eth0 as LAN interface by default.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46174 3c298f89-4303-0410-b956-a3cf2f4a3e73

at91: Add AT91 board and model name to /tmp/sysinfo

From 9158e3282db592e78fb32a2c8a0903ef21b97f5c Mon Sep 17 00:00:00 2001
From: Owen Kirby <osk@exegin.com>
Date: Fri, 11 Apr 2014 18:28:56 -0700
Subject: [PATCH 3/3] [at91] Add AT91 board and model name to /tmp/sysinfo.

This patch extracts the board name and model information from the /proc/device-tree
node in order to provide something a little more friendly on the LuCI sysinfo page
than just "AT91SAM9 (Device Tree)"

Signed-off-by: Owen Kirby <osk@exegin.com>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40598 3c298f89-4303-0410-b956-a3cf2f4a3e73