ASoC: tas2552: Add TX path for capturing AUDIO-OUT data

TAS2552 is a Smartamp with I/V sense data, add TX path
to support capturing I/V data.

Fixes: 38803ce7

 ("ASoC: codecs: tas*: merge .digital_mute() into .mute_stream()")
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Link: https://msgid.link/r/20240518033515.866-1-shenghao-ding@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>