i2c: designware_i2c: Add DM support

This patch adds DM support to the designware I2C driver. It currently
supports DM and the legacy I2C support. The legacy support should be
removed, once all platforms using it have DM enabled.

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Heiko Schocher <hs@denx.de>
1 file changed