changelog: Add entry for entity association PDR API

Log entry for new APIs introduced to add a contained entity
into an entity association PDR as a new change.

Change-Id: I2f8510ecaab97ae68de53c54d295f55c43cef952
Signed-off-by: Varsha Kaverappa <vkaverap@in.ibm.com>
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a3c40d..dd6aa24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,8 @@
 ### Added
 
 1. base: Define macros for reserved TIDs
+2. pdr: Add pldm_entity_association_pdr_add_contained_entity_to_remote_pdr()
+3. pdr: Add pldm_entity_association_pdr_create_new()
 
 ### Deprecated