Merge remote-tracking branch 'origin/pr/2704' into mbedtls-2.7

* origin/pr/2704:
  Adapt auth_crypt_tv usage to 2.7
  Add missing dependencies in test_suite_cipher.gcm
  Adapt ChangeLog
  Add NIST AES GCM test vectors to single-step cipher API test suite
diff --git a/ChangeLog b/ChangeLog
index a746a38..4f86ee9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
+= mbed TLS 2.7.x branch released xxxx-xx-xx
+
+Changes
+   * Add unit tests for AES-GCM when called through mbedtls_cipher_auth_xxx()
+     from the cipher abstraction layer. Fixes #2198.
+
 = mbed TLS 2.7.12 branch released 2019-09-06
 
 Security