x86_64 is used as a baseline: the "x86_64" entry, whatever status it has,
is transformed into "all", and then the other entries in ARCHITECTURES
either dropped or rearranged appropriately.
* See https://github.com/haikuports/haikuports/issues/5122 for more
information.
* haiku_pci.c needs written using our "poke" driver.
* Partial version at ticket above.
* Not really needed, unless we need libdrm_intel for i915