ar71xx: PowerCloud CAP324 OpenWrt configuration

Openwrt configuration part of support for PowerCloud CAP324
Cloud AP.  The CAP324 Cloud AP is a device sold by PowerCloud Systems
who's stock firmware (CloudCommand) provides 'cloud' based managment
of large numbers access points.

The CAP324 is a dual-band 802.11n wireless access point with 16MB flash
and 128MB RAM and single gigabit ethernet port.  It can be powered via PoE
or a wall wart.

Signed-off-by: Daniel Dickinson <openwrt@daniel.thecshore.com>

SVN-Revision: 47944