Nordic stack and drivers for the mbed BLE API

Dependents:   BLE_ANCS_SDAPI BLE_temperature BLE_HeartRate writable_gatt ... more

Correct security permissions for Characteristics with WRITE_WITHOUT_RESPONSE prop only.

Characteristics with WRITE_WITHOUT_RESPONSE prop only can't be written, because they get no write permission set. This pull request fixes this.

Fixes security permissions for characteristics which only have the WRITE_WITHOUT_RESPONSE (but no WRITE) prop defined.