ASoC: rt5659: fix wrong bit define for ADC L2 power.

RT5659_PWR_ADC_L2_BIT should be 2.
Signed-off-by: Zhong An <zhongan@pinecone.net>
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt5659.h

@@ -1008,7 +1008,7 @@
 #define RT5659_PWR_ADC_R1			(0x1 << 3)
 #define RT5659_PWR_ADC_R1_BIT			3
 #define RT5659_PWR_ADC_L2			(0x1 << 2)
-#define RT5659_PWR_ADC_L2_BIT			4
+#define RT5659_PWR_ADC_L2_BIT			2
 #define RT5659_PWR_ADC_R2			(0x1 << 1)
 #define RT5659_PWR_ADC_R2_BIT			1
 #define RT5659_PWR_CLS_D			(0x1)