staging:iio:ad7476: Remove duplicated chip info entries

Some of the parts supported by this driver are software compatible. The
difference between them is only in the operating voltage range. So we do not
need extra chip info entries for them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2 files changed