Change logs for ffms2 source package in Yangtze V1.0

ffms2 (2.40+git20211209-ok1) yangtze; urgency=medium

  * Build for openKylin.

 -- zhouganqing <email address hidden>  Thu, 14 Mar 2024 16:01:10 +0800

ffms2 (2.23-ok1) yangtze; urgency=medium

  * Build for openKylin.

 -- openKylinBot <email address hidden>  Mon, 25 Apr 2022 22:03:04 +0800