[coreboot-gerrit] Change in ...coreboot[master]: Documentation: add the Heads project to the list of distributions

[Philipp Deppenwiese (Code Review)]

Philipp Deppenwiese has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/31257 )

Change subject: Documentation: add the Heads project to the list of distributions
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Patch Set 1:

And we can add pcengines.ch with the APU1/2 as well