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 8c9b9cfb77
  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>

sound/soc/fsl/Kconfig

@@ -311,6 +311,7 @@ config SND_SOC_FSL_ASOC_CARD
 	select SND_SOC_FSL_ESAI
 	select SND_SOC_FSL_SAI
 	select SND_SOC_FSL_SSI
+	select SND_SOC_TLV320AIC31XX
 	select SND_SOC_WM8994
 	select MFD_WM8994
 	help