ASoC: SOF: topology: use new sound control LED layer

Use the new sound control LED layer instead the direct ledtrig_audio_set()
call - see 22d8de62

 ("ALSA: control - add generic LED trigger module
as the new control layer").

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Cc: Bard Liao <yung-chuan.liao@linux.intel.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220329120039.2394138-1-perex@perex.cz
Signed-off-by: Mark Brown <broonie@kernel.org>