OMAP I2C driver can access the configuration flags through
its platform data.

Cc: patches@linaro.org
Reported-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NAndy Green <andy.green@linaro.org>
Signed-off-by: NTony Lindgren <tony@atomide.com>
Acked-by: NBen Dooks <ben-linux@fluff.org>
Signed-off-by: NKevin Hilman <khilman@ti.com>