Convert the Marvell ICU interrupt controller to DT schema format.
Add the missing addressing properties to read and translate child node
addresses.
Drop the legacy binding description and example.
Link: https://lore.kernel.org/r/20250505144524.1285795-1-robh@kernel.org
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>