ASoC: fsl: imx-pcm-fiq: add missing MODULE_DESCRIPTION() macro

With ARCH=arm, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/fsl/imx-pcm-fiq.o

Add the missing invocation of the MODULE_DESCRIPTION() macro.

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://msgid.link/r/20240616-md-arm-sound-soc-fsl-v2-1-228772e81a54@quicinc.com


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