iio: move ABI specification for store_eeprom; is used by ad9523, mcp4725 and ds1077 devices

Signed-off-by: Peter Meerwald <[e-mail]>
Reviewed-by: Lars-Peter Clausen <[e-mail]>
Signed-off-by: Jonathan Cameron <[e-mail]>

Documentation/ABI/testing/sysfs-bus-iio

···
 Description:
 		This attribute is used to read the amount of quadrature error
 		present in the device at a given time.
+
+What:		/sys/bus/iio/devices/iio:deviceX/store_eeprom
+KernelVersion:	3.4.0
+Contact:	[e-mail]
+Description:
+		Writing '1' stores the current device configuration into
+		on-chip EEPROM. After power-up or chip reset the device will
+		automatically load the saved configuration.

Documentation/ABI/testing/sysfs-bus-iio-frequency-ad9523

···
 		Reading returns either '1' or '0'. '1' means that the
 		pllY is locked.
 
-What:		/sys/bus/iio/devices/iio:deviceX/store_eeprom
-KernelVersion:	3.4.0
-Contact:	[e-mail]
-Description:
-		Writing '1' stores the current device configuration into
-		on-chip EEPROM. After power-up or chip reset the device will
-		automatically load the saved configuration.
-
 What:		/sys/bus/iio/devices/iio:deviceX/sync_dividers
 KernelVersion:	3.4.0
 Contact:	[e-mail]