d/patches: Revert RPi from bootstd to distroboot booting

The RPi support has shifted to bootstd and using a text env, however we need the older distroboot for our rollback strategy. Revert the config changes as far as possible that changed the boot methods. The environment variables that would normally be added to the u-Boot env when distroboot is enabled won't be as that process requires the env to be in the include files (rather than stored as a text file). We don't want to revert all the changes from moving to the text env, so add the environment variables that were previously added in the defines to the relevant text env file.

Signed-off-by: Martyn Welch martyn.welch@collabora.com

Tested OSTree and apt images on R-Car and RPi4. Rollback tested on both OSTree images.

mentioned in issue infrastructure/apertis-issues#644 (closed)

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• f4c03841 - Release u-boot version 2024.01+dfsg-1+apertis2+v2024

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