temp/libcamera: upgrade to 0.3.2

Rebase our downstream patches and drop the two included in the release.

See https://gitlab.freedesktop.org/camera/libcamera/-/tags/v0.3.2 for release notes.

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@pabloyoyoista whoops, I guess https://gitlab.com/postmarketOS/pmaports/-/merge_requests/5615 wouldn't have been necessary 🙈

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Draft until I had time to test on all my test devices.