This patch adds a LED class driver for the LEDs found on
the Crane Merchandising System EL15203000 LEDs board
(aka RED LEDs board).
Signed-off-by: NOleh Kravchenko <oleg@kaa.org.ua>
Reviewed-by: NDan Murphy <dmurphy@ti.com>
Signed-off-by: NPavel Machek <pavel@ucw.cz>