ASoC: wm8904: fix the typo error for LINER Mux

fix the typo error, from "LINEL Mux" to "LINER Mux"

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index 4c9fb14..91dfbfe 100644
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -1012,7 +1012,7 @@
 	SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 0, 2, out_mux_text);
 
 static const struct snd_kcontrol_new liner_mux =
-	SOC_DAPM_ENUM("LINEL Mux", liner_enum);
+	SOC_DAPM_ENUM("LINER Mux", liner_enum);
 
 static const char *sidetone_text[] = {
 	"None", "Left", "Right"