RPi4 is unable to boot linux 6.8

Background

While testing linux 6.8 update from pkg/linux!339 (merged) it was clear that RPI4 boards are unable to boot. After investigation, this seems to be related to the layout u-boot uses to load the different artifacts in memory

Reproducibility

How often the issue is hit when repeating the steps to reproduce and changing nothing?

Put the ✅ in the most appropriate entry:

1. ✅ always
2. often, but not always
3. rarely

Impact of bug

RPi4 is unable to boot with linux 6.8

Outcomes

• pkg/u-boot!116 (closed)
• pkg/u-boot!117 (merged)
• https://patchwork.ozlabs.org/project/uboot/patch/20240716171602.2279766-1-walter.lozano@collabora.com/
• https://patchwork.ozlabs.org/project/uboot/patch/20240723193430.3050251-1-walter.lozano@collabora.com/
• tests/apertis-test-cases!644 (merged)
• tests/apertis-test-cases!647 (merged)

Management data

This section is for management only, it should be the last one in the description.

/cc @andrunko @em @Balasubramanian @sudarshan @wlozano

Phabricator link: https://phabricator.apertis.org/T10589