Add support for Netgear WPN824N.
Hardware specs:
* AR7240, 4 LAN ports, 1 WAN port
* AR9285 WLAN
* 32 MB RAM
* 4 MB Flash
* 16 LEDs (LAN, WAN and Power/Status contain two LEDs for dual color
effect)
* 3 Buttons (not supported)
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
SVN-Revision: 48356