Add support for 8devices Carambola dev board.
The Carambola is a small RT3050-based development board with two
ethernet ports, on-board chip antenna, usb and plenty of accessible
gpio ports, sold by 8devices.
Signed-off-by: Tobias Diedrich <ranma+openwrt@tdiedrich.de>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33303 3c298f89-4303-0410-b956-a3cf2f4a3e73