Azure DPS support

In Mender 3.2 we released support for Azure IoT Hub, which is a good first step.

The next step is to support Azure Device Provisioning Service, as this not only gives ability to scale up geographically but also likely enables support for other services.

User value (why)

• Use same workflow when moving from single IoT Hub to DPS, when scaling globally
• Support for IoT Central (needs verification)
• Partial support for IoT Edge (needs verification)

Acceptance criteria

• It is possible to integrate Mender with DPS, in the same way it's integrated with IoT Hub today
• Research support for IoT Central and IoT Edge using one DPS integration
• Available in all Mender plans and editions