dt-bindings: i2c: qcom-cci: Document x1e80100 compatible

Add the x1e80100 CCI device string compatible.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241227-b4-linux-next-24-11-18-dtsi-x1e80100-camss-v2-1-06fdd5a7d5bb@linaro.org


Signed-off-by: Andi Shyti <andi.shyti@kernel.org>