The PDF that you linked to is talking about AR9462. Libreboot machines typically use chips with the AR9285 chipset.
There is no firmware at all on the ath9k wifi chipsets. The firmware in the HDD/SSD is the same issue on all computers, not just libreboot. The graphics chip doesn't contain any firmware, instead the "video bios" is…
The PDF that you linked to is talking about AR9462. Libreboot machines typically use chips with the AR9285 chipset.
There is no firmware at all on the ath9k wifi chipsets. The firmware in the HDD/SSD is the same issue on all computers, not just libreboot. The graphics chip doesn't contain any firmware, instead the "video bios" is…