docs(changelog): changelog for v2.10 release

Added changelog for v2.10 release.

Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Signed-off-by: Juan Pablo Conde <juanpablo.conde@arm.com>
Change-Id: Id06263047fcc1ec60e82f85cd09e2e4bc95830f5
diff --git a/package-lock.json b/package-lock.json
index e23f9a4..e43fa65 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "trusted-firmware-a",
-  "version": "2.9.0",
+  "version": "2.10.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "trusted-firmware-a",
-      "version": "2.9.0",
+      "version": "2.10.0",
       "hasInstallScript": true,
       "license": "BSD-3-Clause",
       "devDependencies": {