ASoC: SOF: ipc4-pcm: Use consistent name for sof_ipc4_timestamp_info pointer

ASoC: SOF: ipc4-pcm: Use consistent name for sof_ipc4_timestamp_info pointer

The pointer to sof_ipc4_timestamp_info named most of the time as
'time_info' only to be named as 'stream_info' or 'info' in two function.

Use the consistent name of 'time_info' throughout the file.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://msgid.link/r/20240409110036.9411-3-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>