os/board/rtl/8720e: add FTL write protection disable/enable - Added ftl write protection disable/enable to flash erase and write when flash is protected.
os/board/rtl/8720e: add FTL write protection disable/enable
- Added ftl write protection disable/enable to flash erase and write when flash is protected.

Samsung/TizenRT,Samsung/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT,sunghan-chang/TizenRT,sunghan-chang/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT,sunghan-chang/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT,Samsung/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT