Staging: iio: remove multible blank lines

This patch removes extra blank lines to address checkpatch.pl warnings
regarding that.

Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/iio/accel/adis16209_core.c
Simple merge

diff --cc drivers/staging/iio/accel/adis16220_core.c
Simple merge

diff --cc drivers/staging/iio/accel/lis3l02dq_core.c
Simple merge