ASoC: fsl: fsl_easrc: fix kernel-doc warning

make W=1 warning:

sound/soc/fsl/fsl_easrc.c:383: warning: wrong kernel-doc identifier on
line:
 *  Scale filter coefficients (64 bits float)
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210302205926.49063-8-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_easrc.c

@@ -380,7 +380,7 @@ static int fsl_easrc_resampler_config(struct fsl_asrc *easrc)
 }
 
 /**
- *  Scale filter coefficients (64 bits float)
+ *  fsl_easrc_normalize_filter - Scale filter coefficients (64 bits float)
  *  For input float32 normalized range (1.0,-1.0) -> output int[16,24,32]:
  *      scale it by multiplying filter coefficients by 2^31
  *  For input int[16, 24, 32] -> output float32