Change logs for exiv2 source package in Nile V2.0

exiv2 (0.27.6-ok1) nile; urgency=medium

  * New upstream release 0.27.6.

 -- rtlhq <nobelxyz@163.com>  Sat, 02 Sep 2023 18:10:25 +0800

exiv2 (0.27.5-4ok1) yangtze; urgency=medium

  * Build for openkylin.

 -- rtlhq <nobelxyz@163.com>  Tue, 13 Sep 2022 15:49:05 +0800