This patch adds support for the STM32F4 I2C controller. Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>