- sync up with NordicSemiconductor/ble-sdk-arduino
- sync up with NordicSemiconductor/ble-sdk-arduino

https://github.com/NordicSemiconductor/ble-sdk-arduino/commit/081184a140
5dead9edf2c37fc4418e85885fbf27

https://github.com/NordicSemiconductor/ble-sdk-arduino/commit/58b5012f6a
fe9d200c380a33034a18b2a1b11ddb

possan/arduino-BLEPeripheral,pi19404/arduino-BLEPeripheral,sandeepmistry/arduino-BLEPeripheral,pi19404/arduino-BLEPeripheral,sandeepmistry/arduino-BLEPeripheral,possan/arduino-BLEPeripheral,femtoduino/arduino-BLEPeripheral,sandeepmistry/arduino-BLEPeripheral,femtoduino/arduino-BLEPeripheral