Add ChangeLog for deprecated items

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
diff --git a/ChangeLog.d/remove-deprecated-items.txt b/ChangeLog.d/remove-deprecated-items.txt
new file mode 100644
index 0000000..b16e7ba
--- /dev/null
+++ b/ChangeLog.d/remove-deprecated-items.txt
@@ -0,0 +1,8 @@
+Removals
+   * Remove mbedtls_asn1_free_named_data, it has now been replaced with 
+     mbedtls_asn1_free_named_data_list or 
+     mbedtls_asn1_free_named_data_list_shallow
+   * Remove MBEDTLS_SSL_DTLS_CONNECTION_ID_COMPAT, now only the 
+     standard version is supported.
+   * Remove mbedtls_ssl_conf_max/min_version(), this has been replaced with 
+     mbedtls_ssl_conf_max/min_tls_version()