-CFG_I2C_SPEED -- define for I2C speed
-CFG_I2C_SLAVE -- define for I2C slave address
-CFG_I2C_OFFSET -- define for I2C base address offset
-CFG_IMMR -- define for MBAR 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
+CONFIG_SYS_IMMR -- define for MBAR offset