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/base64/mfl_1024.txt b/tests/data_files/base64/mfl_1024.txt
new file mode 100644
index 0000000..b56044a
--- /dev/null
+++ b/tests/data_files/base64/mfl_1024.txt
@@ -0,0 +1,2 @@
+// MFL=1024
+AhUAAH8AAA4AAABtAAAAAF6K+GLMqAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHeeQKPVt9RpB8nLTB6C2AhxRzB0r/OBbXbMPm6jb1rkR+qrXZAUFRvGfGxlqqGWwAAACAAAAAAAAAAAAAAAIAAV6K+GJIXNnpKTr9HZQW6WEH7YSYhhRRqOO6xvf8QL6/Xor4YhOxOJYk23w3AwDvVAofeWnVAfJnExe5ipdSxnAAAAAAAAAAAAAAAAEAAAAAAAAAAwAAAQAAAAAAAgAAAA===