Add DT binding documentation for Sony acx565akm panel Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Sebastian Reichel <sre@debian.org> Reviewed-by: Archit Taneja <archit@ti.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de>