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