OMAP1: Add support for SoC camera interface

This patch adds a definition of the OMAP1 camera interface platform device,
and a function that allows for providing a board specific platform data.
The device will be used with the upcoming OMAP1 SoC camera interface driver.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>