dt-bindings: platform: Add Lenovo Yoga C630 EC

Add binding for the Embedded Controller found in the Qualcomm
Snapdragon-based Lenovo Yoga C630.

Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240614-yoga-ec-driver-v7-1-9f0b9b40ae76@linaro.org


Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>