Fix ccm*-no-tag changelog entry

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>

ChangeLog.d/ccm_star_no_tag.txt

@@ -2,6 +2,8 @@ Changes
    * Ignore plaintext/ciphertext lengths for CCM*-no-tag operations.
      For CCM* encryption/decryption without authentication, input
      length will be ignored.
+
+Features
    * Add support for CCM*-no-tag cipher to the PSA.
      Currently only 13-byte long IV's are supported.
      For decryption a minimum of 16-byte long input is expected.