Add change log

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/ChangeLog.d/fix-hrr-in-psk-kem.txt b/ChangeLog.d/fix-hrr-in-psk-kem.txt
new file mode 100644
index 0000000..0377711
--- /dev/null
+++ b/ChangeLog.d/fix-hrr-in-psk-kem.txt
@@ -0,0 +1,5 @@
+Bugfix
+   * In TLS 1.3, fix handshake failure when a client in its ClientHello
+     proposes an handshake based on PSK only key exchange mode or at least
+     one of the key exchange modes using ephemeral keys to a server that
+     supports only the PSK key exchange mode.