iio:ad7476: Add ad7910/ad7920 device table entries

The ad7910/ad7920 are software compatible to the ad7467/ad7466.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
index a33a406..093a4ed 100644
--- a/drivers/iio/adc/ad7476.c
+++ b/drivers/iio/adc/ad7476.c
@@ -258,6 +258,8 @@
 	{"ad7478", ID_AD7468},
 	{"ad7478a", ID_AD7468},
 	{"ad7495", ID_AD7495},
+	{"ad7910", ID_AD7467},
+	{"ad7920", ID_AD7466},
 	{}
 };
 MODULE_DEVICE_TABLE(spi, ad7476_id);
@@ -274,5 +276,5 @@
 module_spi_driver(ad7476_driver);
 
 MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
-MODULE_DESCRIPTION("Analog Devices AD7475/6/7/8(A) AD7466/7/8 ADC");
+MODULE_DESCRIPTION("Analog Devices AD7476 and similar 1-channel ADCs");
 MODULE_LICENSE("GPL v2");