ASoC: qcom: q6dsp: fix kernel-doc warning

make W=1 warning:

sound/soc/qcom/qdsp6/q6afe.c:1460: warning: expecting prototype for
q6afe_dam_port_prepare(). Prototype was for
q6afe_cdc_dma_port_prepare() instead
Signed-off-by: NPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210302205926.49063-10-pierre-louis.bossart@linux.intel.comSigned-off-by: NMark Brown <broonie@kernel.org>

sound/soc/qcom/qdsp6/q6afe.c

@@ -1448,7 +1448,7 @@ int q6afe_i2s_port_prepare(struct q6afe_port *port, struct q6afe_i2s_cfg *cfg)
 EXPORT_SYMBOL_GPL(q6afe_i2s_port_prepare);
 
 /**
- * q6afe_dam_port_prepare() - Prepare dma afe port.
+ * q6afe_cdc_dma_port_prepare() - Prepare dma afe port.
  *
  * @port: Instance of afe port
  * @cfg: DMA configuration for the afe port