ASoC: lm49453: Use SOC_ENUM_SINGLE_DECL()

Just replace with the helper macro.  No functional change at all.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/lm49453.c

@@ -213,15 +213,13 @@ static const char *lm49453_adcl_mux_text[] = { "MIC1", "Aux_L" };
 
 static const char *lm49453_adcr_mux_text[] = { "MIC2", "Aux_R" };
 
-static const struct soc_enum lm49453_adcl_enum =
-	SOC_ENUM_SINGLE(LM49453_P0_ANALOG_MIXER_ADC_REG, 0,
-			ARRAY_SIZE(lm49453_adcl_mux_text),
-			lm49453_adcl_mux_text);
-
-static const struct soc_enum lm49453_adcr_enum =
-	SOC_ENUM_SINGLE(LM49453_P0_ANALOG_MIXER_ADC_REG, 1,
-			ARRAY_SIZE(lm49453_adcr_mux_text),
-			lm49453_adcr_mux_text);
+static SOC_ENUM_SINGLE_DECL(lm49453_adcl_enum,
+			    LM49453_P0_ANALOG_MIXER_ADC_REG, 0,
+			    lm49453_adcl_mux_text);
+
+static SOC_ENUM_SINGLE_DECL(lm49453_adcr_enum,
+			    LM49453_P0_ANALOG_MIXER_ADC_REG, 1,
+			    lm49453_adcr_mux_text);
 
 static const struct snd_kcontrol_new lm49453_adcl_mux_control =
 	SOC_DAPM_ENUM("ADC Left Mux", lm49453_adcl_enum);