OMAP: Add gpio-keys support for Overo

This patch adds support for the standard push buttons available on
Overo expansion boards.

Signed-off-by: Steve Sakoman <steve@sakoman.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
1 file changed