ASoC: tegra: remove usage of rtd->codec

rtd->codec_dai->codec can be used instead.

This is a slight step along the way to not needing the rtd->codec field
any more.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
4 files changed