ASoC: twl6040: Workaround for headset DC offset caused pop noise

Both Headset DAC need to be turned on/off at the same time before
any of the output drivers are enabled (HS Left/Right, Earpiece).
Move the HS DAC enable code to sequenced DAPM_SUPPLY, and attach
it to the DACs.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
index 87a4778..2463c261 100644
--- a/include/linux/mfd/twl6040.h
+++ b/include/linux/mfd/twl6040.h
@@ -122,6 +122,7 @@
 
 /* HSLCTL/R (0x10/0x11) fields */
 
+#define TWL6040_HSDACENA		(1 << 0)
 #define TWL6040_HSDACMODE		(1 << 1)
 #define TWL6040_HSDRVMODE		(1 << 3)