Platform drivers for Mbed.

Dependents:   EVAL-CN0535-FMCZ EVAL-CN0535-FMCZ EVAL-AD568x-AD569x EVAL-AD7606 ... more

This pull request has been rejected by Analog Devices

Platform driver directory structure update

Restructured the directory- Removed inc/ and src/ folders and moved all source/header files at root

importing repo