Convert the Amazaon Alpine MSIX controller binding to schema format.
Drop the interrupt-controller property as the MSIX controller doesn't
provide interrupts. The interrupt-parent property is required in this
case for custom MSI mapping properties.
Link: https://lore.kernel.org/r/20250505144543.1286351-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
