arm64: dts: qcom: sm8250: clean up wcd938x codec node

Clean up the wcd938x codec node somewhat by adding newline separators,
reordering properties and renaming it 'audio-codec'.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230103103141.15807-7-johan+linaro@kernel.org