dt-bindings: Enable dtc "interrupt_provider" warnings

All the warnings from the "interrupt_provider" dtc check are fixed now,
so enable the warning for the examples.

Link: https://lore.kernel.org/r/20241105213232.443192-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2 files changed