ASoC: sof-sdw: remove CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC condition

As CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC is always enabled in sof-soundwire
driver, let's remove the test of CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC
in the code.

Signed-off-by: Libin Yang <libin.yang@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200529193547.6077-3-pierre-louis.bossart@linux.intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>