Convert the Dialog Semiconductor DA7212/DA7213 Audio Codec Device Tree
binding documentation to json-schema.

Add missing properties.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/7645c9024a1762d281f4067504bc32a7a3d27caa.1721649741.git.geert+renesas@glider.beSigned-off-by: Mark Brown <broonie@kernel.org>