This example uses the I2C Master to read/write to the I2C Slave.

Configuration
 - SDA: Connect P0.9 to P0.3
 - SCL: Connect P0.8 to P0.2

Example functionality:
 -  The I2C Master uses P0.8 and P0.9 for SCL and SDA respectively.
 -  The I2C Slave uses P0.2 and P0.3 for SCL and SDA respectively.
 -  The I2C Master reads and writes to the I2C Slave.
