uboot-imx

board: samsung: trats: remove the i2c_init function

i2c should be initialized with device-tree.
This function doesn't need anymore.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>