ASoC: Fixup build error for mt6358

This patch fixup build error for
commit 6a8d4198 ("ASoC: mediatek: mt6358: add codec driver")

Fixes: commit 6a8d4198 ("ASoC: mediatek: mt6358: add codec driver")
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -1344,7 +1344,7 @@ config SND_SOC_MT6358
 	tristate "MediaTek MT6358 Codec"
 	help
 	  Enable support for the platform which uses MT6358 as
-	external codec device.
+	  external codec device.
 
 config SND_SOC_NAU8540
        tristate "Nuvoton Technology Corporation NAU85L40 CODEC"