ANT_S212_NRF52_4.0.2

This release consists of the following:
- This readme file
- A Notes file
- The ANT_S212_NRF52_4.0.2 softdevice (binary hex file)
- The ANT_S212_NRF52_4.0.2 API (softdevice header files)
- The ANT_S212_NRF52_4.0.2 release notes
- The ANT_S212_NRF52_4.0.2 license
- The ANT_S212_NRF52_4.0.2 migration document