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

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>
SVN-Revision: 40598