Squashed 'lib/mbedtls/external/mbedtls/' content from commit 2ca6c285a0dd

git-subtree-dir: lib/mbedtls/external/mbedtls
git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206
diff --git a/tests/data_files/cli.opensslconf b/tests/data_files/cli.opensslconf
new file mode 100644
index 0000000..ae9ab9d
--- /dev/null
+++ b/tests/data_files/cli.opensslconf
@@ -0,0 +1,4 @@
+[cli-rsa]
+subjectKeyIdentifier=hash
+authorityKeyIdentifier=keyid:always,issuer:always
+basicConstraints = CA:false