Add i2c header

Lib/inc/minipods/i2cDriver.h

+/****************************************************************************************//**
+* \file				i2cDriver.h
+*
+* \brief This unit is the includes for a simple driver library for I2C bus based 
+			on the Open-Core I2C-master.
+* 
+* \author PYD : 12/6/2013
+* \version 0.1
+* \date 12/6/2013
+
+* PYD : 12/6/2013 initial version
+* PYD : 12/6/2015 add a second bus for PCIe40
+*//******************************************************************************************/
+//                  USER ORIENTED PROCEDURES FOR EXTERNAL USE
+int i2c_init(int dev, int bus, unsigned inCLK, unsigned SCLfreq);
+void i2c_getInit(int dev, int bus, unsigned *inCLK, unsigned *SCLfreq);
+int i2c_readMem(int dev, int bus, unsigned slaveAdd, unsigned regIndex, unsigned *val);
+int i2c_writeMem(int dev, int bus, unsigned slaveAdd, unsigned regIndex, unsigned *val);
+int i2c_multReadMem(int dev, int bus, unsigned slaveAdd, unsigned regIndex, int nb, unsigned **data);