[PATCH v2] dt: Document general interrupt controller bindings

[Stephen Warren]

On 09/20/2012 06:16 AM, Thierry Reding wrote:
> In order to use a device as interrupt controller, it needs to be marked
> with the DT interrupt-controller property. This commit adds rudimentary
> documentation about the required standard properties and describes the
> most commonly used interrupt specifiers.

Acked-by: Stephen Warren <swarren at nvidia.com>