Add a dedicated Capella CM32181 ambient light sensor schema. The device has optional vdd-supply and interrupt properties, so it no longer fits in trivial-devices. Include both optional properties in the binding example. Assisted-by: LLM Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Joshua Crofts <joshua.crofts1@gmail.com> Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>