ASoC: dt-bindings: mt8195: remove dependent headers in the example

Drop the use of the defines including clock and power id, so that
we can remove the headers which are not applied in the example.

Fixes: b5bac34f

 ("dt-bindings: mediatek: mt8195: add audio afe document")
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210831083956.9804-1-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>