staging: iio: adc: Replace, rewrite ad7745 from scratch.

The existing ad7745 driver didn't conform with the IIO spec for such devices.
It was way simpler to rewrite the existing driver, than actually fixing it.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/iio/adc/Kconfig

@@ -144,7 +144,7 @@ config AD7793
 	  To compile this driver as a module, choose M here: the
 	  module will be called AD7793.
 
-config AD7745
+config AD7746
 	tristate "Analog Devices AD7745, AD7746 AD7747 capacitive sensor driver"
 	depends on I2C
 	help

drivers/staging/iio/adc/Makefile

@@ -33,7 +33,7 @@ obj-$(CONFIG_AD7150) += ad7150.o
 obj-$(CONFIG_AD7152) += ad7152.o
 obj-$(CONFIG_AD7291) += ad7291.o
 obj-$(CONFIG_AD7314) += ad7314.o
-obj-$(CONFIG_AD7745) += ad7745.o
+obj-$(CONFIG_AD7746) += ad7746.o
 obj-$(CONFIG_AD7780) += ad7780.o
 obj-$(CONFIG_AD7793) += ad7793.o
 obj-$(CONFIG_AD7816) += ad7816.o