CHANGELOG.md: Release notes added

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

Author: dedekind

CHANGELOG.md

@@ -5,6 +5,7 @@ Versioning practices: [Semantic Versioning](https://semver.org/spec/v2.0.0.html)
 
 ## [ADD NEW VERSION HERE] - ADD DATE HERE
 ### Fixed
+ - pepc installation: Fix TMPI spec files installation issue.
 ### Added
 ### Removed
 ### Changed
@@ -926,4 +927,4 @@ Versioning practices: [Semantic Versioning](https://semver.org/spec/v2.0.0.html)
 
 ## [1.1.0] - 2021-10-29
 ### Changed
- - pepc: first release.
+ - pepc: first release.