ASoC: sun8i-codec: Use snd_soc_dai_get_drvdata

Remove a level of indirection by getting the device directly from the
passed-in struct snd_soc_dai, instead of going through its component.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20201001021148.15852-9-samuel@sholland.org


Signed-off-by: Mark Brown <broonie@kernel.org>