staging:iio: drop procesed_val element of chan_spec.

There is no longer any need for this as we have separate
info_mask elements for raw and processed value reads.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
7 files changed