ASoC: SOF: Intel: allow module parameter override BT link to 0

ASoC: SOF: Intel: allow module parameter override BT link to 0

The existing code test if (bt_link_mask_override) to overwrite the BT
link mask. This doesn't allow user to disable the BT link mask. User may
want to disable the BT link when it is detected by the NHLT.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://patch.msgid.link/20260203111545.3742255-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>