Enable I2C via driver model as well as the associated set of U-Boot
commands to allow us interacting with various I2C slave devices.
Signed-off-by: NAndreas Dannenberg <dannenberg@ti.com>
Signed-off-by: NVignesh R <vigneshr@ti.com>
Reviewed-by: NLokesh Vutla <lokeshvutla@ti.com>