[Ovmsdev] esp-idf update

[Michael Balzer]

I've pushed the merge with the latest esp-idf master to our repository.

I've been running this build for about a day without issues. It contains some new configurations, all defaults can be accepted.

Don't forget to do a "git submodule update" after pulling.

Regards,
Michael

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Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
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