Comment # 6 on bug 1226088 from Lukas Ocilka

(In reply to Takashi Iwai from comment #5)
> They are (and have been) simple rpm Supplements tags with the corresponding
> PCI ID, ACPI or whatever aliases.  So, "zypper inr --no-recommends" should
> work.

Exactly, byt zypper uses libzypp for that (hopefully) the same way as YaST
does.
YaST definitely doesn't do anything with hardware supplements.