ASoC: SOF: imx: update kernel-doc description

Add missing parameters to avoid W=1 error
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20201211102255.3189589-1-kai.vehmanen@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/imx/imx-common.c

@@ -47,6 +47,8 @@ void imx8_get_registers(struct snd_sof_dev *sdev,
 /**
  * imx8_dump() - This function is called when a panic message is
  * received from the firmware.
+ * @sdev: SOF device
+ * @flags: parameter not used but required by ops prototype
  */
 void imx8_dump(struct snd_sof_dev *sdev, u32 flags)
 {