[master] core: tools: blueos_startup_update: Apply Navigator overlays on Pi5

[joaoantoniocardoso]

This is a port of #4113 into master.

[github-actions]

Automated PR Review

0. Summary

• Verdict: LGTM

Extends update_navigator_overlays() in core/tools/blueos_startup_update/blueos_startup_update.py to also handle Pi5 boards by branching on get_cpu_type() and applying a Pi5-specific overlay list into the [pi5] section; the main() dispatch is updated so the patch runs on both PI4 and PI5. The Pi5 overlay list matches install/boards/bcm_2712.sh line-for-line and the Pi4 list is preserved as-is against install/boards/bcm_27xx.sh, so the runtime patch stays consistent with the install-time board configuration.

No further comments, nice job 👍

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