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.com


Signed-off-by: Mark Brown <broonie@kernel.org>