CONFIG_SYS_I2C_SPEED -- define for I2C speed
CONFIG_SYS_I2C_SLAVE -- define for I2C slave address
CONFIG_SYS_I2C_OFFSET -- define for I2C base address offset
CONFIG_SYS_I2C_SPEED -- define for I2C speed
CONFIG_SYS_I2C_SLAVE -- define for I2C slave address
CONFIG_SYS_I2C_OFFSET -- define for I2C base address offset