CI: Migrate support to MbedTLS v2.25.0

This patch migrates the mbedcrypto dependency for TF-A
to MbedTLS repo v2.25.0 which is the latest release tag.
The relevant files are updated to reflect the use of new
version.

Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
Change-Id: If8bee6b5bb33299a6ec411432925dcbb6abdc57e
diff --git a/utils.sh b/utils.sh
index a69d5ea..51008ff 100644
--- a/utils.sh
+++ b/utils.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 #
-# Copyright (c) 2019-2020, Arm Limited. All rights reserved.
+# Copyright (c) 2019-2021, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -338,10 +338,10 @@
 linaro_release="${linaro_release:-$linaro_2001_release}"
 
 # mbedTLS archive public hosting available at github.com
-mbedtls_archive="${mbedtls_archive:-https://github.com/ARMmbed/mbedtls/archive/mbedtls-2.24.0.tar.gz}"
-# The tar file contains mbedtls-mbedtls-2.24.0 repo which holds the necessary
+mbedtls_archive="${mbedtls_archive:-https://github.com/ARMmbed/mbedtls/archive/mbedtls-2.25.0.tar.gz}"
+# The tar file contains mbedtls-mbedtls-2.25.0 repo which holds the necessary
 # source files of mbedTLS project
-mbedtls_repo_name="${mbedtls_repo_name:-mbedtls-mbedtls-2.24.0}"
+mbedtls_repo_name="${mbedtls_repo_name:-mbedtls-mbedtls-2.25.0}"
 
 coverity_path="${coverity_path:-${nfs_volume}/tools/coverity/static-analysis/2020.06}"
 coverity_default_checkers=(