iio: ABI: combine current input sections

iio: ABI: combine current input sections

Combine two duplicate sections describing in_currentY_raw.

This went unnoticed until we renamed in_currentX_raw to in_currentY_raw
and the kernel test robot found the duplication.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202412200256.OB5Hmw5Q-lkp@intel.com/
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241219-iio-abi-combine-current-input-sections-v1-1-8dcd8221d469@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>