Lists should have fixed constraint, so add missing maxItems to the
"interrupts" property. Since minItems=maxItems, the minItems is implied
by dtschema so can be dropped.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>