Add release notes for v2.5.0
Add release notes for v2.5.0

Change-Id: I88ea096affb18edf419e6fb3fd4e11fa8a048695

cgi-eoss/ftep,cgi-eoss/ftep,cgi-eoss/ftep,cgi-eoss/ftep,cgi-eoss/ftep,cgi-eoss/ftep,cgi-eoss/ftep