ASoC: wm2000: Expose some additional registers

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm2000.h b/sound/soc/codecs/wm2000.h
index abcd82a..fb812cd 100644
--- a/sound/soc/codecs/wm2000.h
+++ b/sound/soc/codecs/wm2000.h
@@ -10,6 +10,9 @@
 #define _WM2000_H
 
 #define WM2000_REG_SYS_START	    0x8000
+#define WM2000_REG_ANC_GAIN_CTRL    0x8fa2
+#define WM2000_REG_MSE_TH2          0x8fdf
+#define WM2000_REG_MSE_TH1          0x8fe0
 #define WM2000_REG_SPEECH_CLARITY   0x8fef
 #define WM2000_REG_SYS_WATCHDOG     0x8ff6
 #define WM2000_REG_ANA_VMID_PD_TIME 0x8ff7