video: introduce struct display_timings ...

And use it inside struct fb_info. This struct has the advantage
that the supported modes can be passed around in a single pointer.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

omap-fb: add driver ...

This patch adds omap display controller support. Currently only
OMAP4 DSS is supported.

Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>