ASoC: trivial: system spelling fix

Do s/ststem/system/ .

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/generic/Kconfig b/sound/soc/generic/Kconfig
index b95ae49..d023959 100644
--- a/sound/soc/generic/Kconfig
+++ b/sound/soc/generic/Kconfig
@@ -13,4 +13,4 @@
 	select SND_SIMPLE_CARD_UTILS
 	help
 	  This option enables generic simple SCU sound card support.
-	  It supports DPCM of multi CPU single Codec ststem.
+	  It supports DPCM of multi CPU single Codec system.