ASoC: SOF: Intel: Fix typo in header file comment text

This patch fixes the typo in word "microphone".
Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20200415202816.934-17-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/sof/dai-intel.h

@@ -135,7 +135,7 @@ struct sof_ipc_dai_dmic_pdm_ctrl {
  * version number used in configuration data is checked vs. version used by
  * device driver src/drivers/dmic.c need to match. It is incremented from
  * initial value 1 if updates done for the to driver would alter the operation
- * of the microhone.
+ * of the microphone.
  *
  * Note: The microphone clock (pdmclk_min, pdmclk_max, duty_min, duty_max)
  * parameters need to be set as defined in microphone data sheet. E.g. clock