ASoC: Intel: skl_hda_dsp_generic: support BT audio offload

Add BT offload BE link to dai link array if the BT offload link mask
is valid (only one bit set).

Signed-off-by: Brent Lu <brent.lu@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20240827123215.258859-10-yung-chuan.liao@linux.intel.com


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