ASoC: SOF: intel: hda-loader: use snd_sof_dsp_core_power_down/up APIs

To manage enabled_cores_mask flag, we should always use snd_sof_dsp_
core_power_down/up APIs to power up/down dsp cores. The APIs do
a little bit more than the original functions, but it is harmless.

Suggested-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210128093850.1041387-6-kai.vehmanen@linux.intel.com


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