[PATCH] powerpc: document new interrupt-array property

[Segher Boessenkool]

> But how often are developers going to have to tweak these things?  SoC 
> interrupts tend to be fixed so its just a question of external 
> interrupts (and controllers) that a customer has to describe in their 
> dts.

Yes.  So if we want to add some new representation for
interrupt mapping, it would be good if those users
could benefit.  Then again, I don't see any evidence
that "external users" ever need to do any (complicated)
interrupt mapping stuff.


Segher