Support NVS encryption without flash encryption

[PatrickHof84]

No description provided.

[github-actions]

	Fails
🚫	The target branch for this pull request should be `master`. If you would like to add this feature to the release branch, please state this in the PR description and we will consider backporting it.

	Warnings
⚠️	The PR description looks very brief, please check if more details can be added.

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1. An internal issue has been created for the PR, we assign it to the relevant engineer
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5. If the change is approved and passes the tests it is merged into the master branch
6. On next sync from the internal git repository merged change will appear in this public Github repository

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