4083614023
* I2C driver docs - Added I2C driver docs. - Changed arm master i2c driver to have a weak i2c_init as it is impossible to account for all possible port configuration in the STM32 world. * Update docs/i2c_driver.md Co-Authored-By: yiancar <yiangosyiangou@cytanet.com.cy> * Update docs/i2c_driver.md Co-Authored-By: yiancar <yiangosyiangou@cytanet.com.cy> * Update docs/i2c_driver.md Co-Authored-By: yiancar <yiangosyiangou@cytanet.com.cy> * Update docs/i2c_driver.md Co-Authored-By: yiancar <yiangosyiangou@cytanet.com.cy> * GPIO release fix