Add ChangeLog entry

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
diff --git a/ChangeLog.d/x509_remove_info.txt b/ChangeLog.d/x509_remove_info.txt
new file mode 100644
index 0000000..c103b1b
--- /dev/null
+++ b/ChangeLog.d/x509_remove_info.txt
@@ -0,0 +1,6 @@
+API changes
+   * Add configuration option MBEDTLS_X509_REMOVE_INFO which
+     removes the mbedtls_x509_*_info(), mbedtls_debug_print_crt()
+     as well as other functions and constants only used by
+     those functions. This reduces the code footprint by
+     several kB.