common: update Changelog.md (#20)

Signed-off-by: Oksana Salyk <oksana.salyk@hpe.com>

Author: osalyk

ChangeLog

@@ -2,7 +2,9 @@ XXX
 
 	* Version X.X.X
 
-	- expand the sds.at_create CTL to also cover pmemobj_open() (daos-stack/pmdk#5, DAOS-17449)
+	- Set up a new home for pmdk software (pmem/pmdk -> daos-stack/pmdk).
+	  - Reorganized PMem HW tests to accommodate changes in HW supplies (daos-stack/pmdk#9-12).
+	- Expanded the sds.at_create CTL to also cover pmemobj_open() (daos-stack/pmdk#5, DAOS-17449)
 	  - Previously, this CTL affected only pmemobj_create().
 	  - Now, it affects both pmemobj_create() and pmemobj_open().
 	  - pmemobj_open() won't be able to open a pool with SDS enabled if the feature is currently