ASoC: SOF: Intel: hda-stream: export stream_get_position() helper

Export this helper so that we can report the DPIB position if the BPT
DMA do not complete - this is very useful to see if the DMA started or
gets stuck somehow with invalid bandwidth configurations.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20240503135221.229202-2-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/hda-stream.c

@@ -1079,6 +1079,7 @@ snd_pcm_uframes_t hda_dsp_stream_get_position(struct hdac_stream *hstream,
 
 	return pos;
 }
+EXPORT_SYMBOL_NS(hda_dsp_stream_get_position, SND_SOC_SOF_INTEL_HDA_COMMON);
 
 #define merge_u64(u32_u, u32_l) (((u64)(u32_u) << 32) | (u32_l))