Write_data
==========

Function description:
---------------------
**I2C2ICB** uses **I2C** protocol to write command and data to **ICB** bus, and the receives response from **ICB** bus;
and it support standard mode in **I2C** protocol.

Test result:
------------
If the data received is equal to the data transmitted, print pass, if not print fail.

IO connection:
--------------
+-----------------+------------------+
| PAD             |    PAD           |
+=================+==================+
| pad_i2c2icb_scl | pad_i2c0_scl     |
+-----------------+------------------+
| pad_i2c2icb_sda | pad_i2c0_sda     |
+-----------------+------------------+

.. Note::
    * 1.Transmits via **I2C** cpu mode.
    * 2.Data is initialized to test_sram if subsystem has no slave port.