otter.xml: Initialize for v1-u

Description

otter.xml: Initialize for v1-u

Screenshots

Technical details

Tests

• Make sure build completes
• Make sure build flashes & boots
• Make sure mirroring & auto merge are setup properly

Issues

https://gitlab.e.foundation/e/devices/backlog/-/issues/1060

10 commandments of code reviews

👪 ❤ https://gitlab.e.foundation/internal/wiki/-/wikis/mobile-team/guidelines/Code-review