ASoC: Intel: cht-bsw-rt5672: allow for topology-defined codec-dai setup

Hard-coded setups conflict with topology defined ones. Move this code to
codec_fixup so that SOF can override codec dai settings, e.g. to only use
2 channels.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>