dt-bindings: iio: gyro: invensense,mpu3050: change irq maxItems

The mpu3050 datasheet describes that this IC only supports one INT pin,
which means one item with two cells inside binding.
Change max to match this description.

Signed-off-by: Rodrigo Gobbi <rodrigo.gobbi.7@gmail.com>
Fixes: 74978747 ("dt-bindings:iio:gyro:invensense,mpu3050: txt to yaml format conversion.")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250527215818.13000-1-rodrigo.gobbi.7@gmail.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>