Tiva:  Do I2C clock initialization without using legacy registers.  Necessary for I2C3-5
Tiva I2C: Finishes initialization logic
Simplify I2C master/slave addresing to simplify driver development
Tiva i2C: Lots of compilation fixes
Tiva I2C: Driver is code complete but untested
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Tiva I2C:  Add workaround for errata; clean up some error handling
Tiva I2C:  Add I2C options to Kconfig
TM4C123G LaunchPad:  Add initialization logic for an external AT24 EEPROM.  This is intended only to suppport testing of the Tiva I2C driver
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Merge remote-tracking branch 'upstream/master'