robert-hh 74e8db0ed1 mimxrt: Refactor the reading of the machine id.
The ID is read in a single function and used for:
- machine.unique_id()
- Ethernet MAC addresses.
- ...

That facilitates use of other MCU using a different access method for
the ID (e.g. i.MX RT1176).
2021-12-14 08:07:52 +01:00
..