pdr: Stabilise pldm_entity_association_pdr_add_from_node_with_record_handle()

The usage of
pldm_entity_association_pdr_add_from_node_with_record_handle() is
demonstrated here:

https://gerrit.openbmc.org/c/openbmc/pldm/+/63125

Change-Id: I564d2253402b22af561ebf710f33c142b70b2e16
Signed-off-by: Pavithra Barithaya <pavithra.b@ibm.com>
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
diff --git a/src/pdr.c b/src/pdr.c
index 9cebd27..0f5d370 100644
--- a/src/pdr.c
+++ b/src/pdr.c
@@ -939,7 +939,7 @@
 		0);
 }
 
-LIBPLDM_ABI_TESTING
+LIBPLDM_ABI_STABLE
 int pldm_entity_association_pdr_add_from_node_with_record_handle(
 	pldm_entity_node *node, pldm_pdr *repo, pldm_entity **entities,
 	size_t num_entities, bool is_remote, uint16_t terminus_handle,