ASoC: fsl-asoc-card: Add missing Kconfig option for tlv320aic31xx

ASoC: fsl-asoc-card: Add missing Kconfig option for tlv320aic31xx

The following commit added support for tlv320aic31xx codec to
fsl-asoc-card, but missed the related Kconfig option. Fix this.

  commit 51d9d1df140a34af811547a48bc55f1a4149fd83
  Author: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
  Date:   Fri Nov 19 12:32:48 2021 -0300

      ASoC: fsl-asoc-card: Support fsl,imx-audio-tlv320aic31xx codec

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Link: https://lore.kernel.org/r/20211203175018.252641-2-ariel.dalessandro@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>