dt-bindings: media: s5p-mfc: convert bindings to json-schema

Convert s5p-mfc bindings to DT schema format using json-schema.

Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230328114729.61436-1-aakarsh.jain@samsung.com


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>