docs(changelog): changelog for lts-v2.8.27 release

Change-Id: Iaab552167165d1eeb2ed789a7fb1367b1aaa6226
Signed-off-by: Release CI <ci@trustedfirmware.org>
diff --git a/readme.rst b/readme.rst
index 5e1deab..4fc3321 100644
--- a/readme.rst
+++ b/readme.rst
@@ -59,3 +59,4 @@
 
 
 
+