[PATCH 12/14] Add device tree for Ebony

[Segher Boessenkool]

>> Since UIC1 is cascaded off UIC0 in the interrupt tree,
>> UIC1 should have an interrupt-parent pointing to UIC0
>> so the interrupt tree can be traversed to the root.
>
> Not necessary if UIC0 is the device tree parent of UIC1.

For the archives: this is wrong, all interrupt controllers
(except the root one) are required to have an "interrupt-parent"
property -- this is how the root interrupt controller is
determined.


Segher