We can't suppose that the i2c2 pins are configured as I2C bus, these pins are
connected to expansion connectors.
Signed-off-by: NEnric Balletbo i Serra <eballetbo@iseebcn.com>
Acked-by: NJavier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: NTony Lindgren <tony@atomide.com>