sst_free_stream
sst_free_stream(ctx, i);
int sst_free_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
retval = sst_free_stream(ctx, str_id);
ret = sst_free_stream(ctx, str_id);
sst_free_stream(sst_drv_ctx, str_id);