ASoC: nuc900: No need to track the dma buffer in the driver state struct

The DMA buffer and address can be accessed through the snd_pcm_runtime.
There is no need to manually track them in the driver's state struct.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2 files changed