Convert the Microchip PIC32 interrupt controller binding to schema
format. It's a straight-forward conversion of the typical interrupt
controller.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250505144754.1291072-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
