Create E2T API implementation and yaml change for multiple e2t instances handling feature

Change-Id: I22cbd45c54aa0072159b9c2f041355d5ddc51b69
Signed-off-by: rangajal <ranjit.angajala@nokia.com>
diff --git a/RELNOTES b/RELNOTES
index a5fb036..20b981c 100644
--- a/RELNOTES
+++ b/RELNOTES
@@ -1,3 +1,6 @@
+### v0.4.4
+* Create E2T Instance API introduced for Multiple E2T Feature
+
 ### v0.4.3
 * Included RMR changes that has MEID implementation