dt-bindings: Add bindings for Capella cm3323 Ambient Light Sensor

Update trivial-devices.yaml with Capella cm3323 Ambient Light Sensor
description.

Signed-off-by: Siddharth Manthan <siddharth.manthan@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210728110048.14593-1-siddharth.manthan@gmail.com


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