iio: core: fix doc reference to iio_push_to_buffers_with_ts_unaligned

Use the right name of the function, which is defined in
drivers/iio/industrialio-buffer.c

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-11-0cb6e98d895c@gmail.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>