dt-bindings: iio: accel: sca3300: Document murata,scl3300

Add DT bindings for Murata scl3300 inclinometer.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Reviewed-by: Tomas Melin <tomas.melin@vaisala.com>
Link: https://lore.kernel.org/r/20220529061853.3044893-2-Qing-wu.Li@leica-geosystems.com.cn


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