Add change log

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/ChangeLog.d/one-shot-mac.txt b/ChangeLog.d/one-shot-mac.txt
new file mode 100644
index 0000000..112891d
--- /dev/null
+++ b/ChangeLog.d/one-shot-mac.txt
@@ -0,0 +1,3 @@
+Features
+   * Implement psa_mac_compute() and psa_mac_verify() as defined in the
+     PSA Cryptograpy API 1.0.0 specification.