ASoC: atmel_ssc_dai: remove clock pin comments

As the clock can be get from TK/RK pin, so remove the comments.
Signed-off-by: NBo Shen <voice.shen@atmel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/atmel/atmel_ssc_dai.c

@@ -450,13 +450,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
 		break;
 
 	case SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM:
-		/*
-		 * I2S format, CODEC supplies BCLK and LRC clocks.
-		 *
-		 * The SSC transmit clock is obtained from the BCLK signal on
-		 * on the TK line, and the SSC receive clock is
-		 * generated from the transmit clock.
-		 */
+		/* I2S format, CODEC supplies BCLK and LRC clocks. */
 		rcmr =	  SSC_BF(RCMR_PERIOD, 0)
 			| SSC_BF(RCMR_STTDLY, START_DELAY)
 			| SSC_BF(RCMR_START, SSC_START_FALLING_RF)
@@ -535,10 +529,6 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
 		/*
 		 * DSP/PCM Mode A format, CODEC supplies BCLK and LRC clocks.
 		 *
-		 * The SSC transmit clock is obtained from the BCLK signal on
-		 * on the TK line, and the SSC receive clock is
-		 * generated from the transmit clock.
-		 *
 		 * Data is transferred on first BCLK after LRC pulse rising
 		 * edge.If stereo, the right channel data is contiguous with
 		 * the left channel data.