i2c: qcom-cci: Deprecate duplicated compatibles

Many compatibles have been introduced, pointing to the same config data.
Leave a note reminding future developers to not do that again.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>