Since most of these walls connect together in a matrix, you could accomplish effective bonding with a couple steel boxes. The only thing you really have to watch is small isolated sections of wall but 210.52 will usually require a receptacle in each of these small wall segments anyway.
In commercial, where metal enclosed wiring methods are SOP bonding steel framing has not really been an issue. It really came up in residential with all plastic plumbing and electric.
The exposure is in metal medicine cabinets and non-electrical enclosures that are screwed to the steel studs.
