Add pinmux configuration for DVI/LCD.
Add DRM display driver node with timing configurations for DVI and LCD.
Add I2C GPIOs configurations for DVI and LCD enable.

Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>