Add changelog for chunked CCM implementation.

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/ChangeLog.d/chunked_ccm.txt b/ChangeLog.d/chunked_ccm.txt
new file mode 100644
index 0000000..4e3065f
--- /dev/null
+++ b/ChangeLog.d/chunked_ccm.txt
@@ -0,0 +1,8 @@
+Changes
+   * Implement multi-part CCM API.
+     The multi-part functions: mbedtls_ccm_starts(), mbedtls_ccm_set_lengths(),
+     mbedtls_ccm_update_ad(), mbedtls_ccm_update(), mbedtls_ccm_finish()
+     were introduced in mbedTLS 3.0 release, however their implementation was
+     postponed util now.
+     Implemented functions support chunked data input for both CCM and CCM*
+     algorithms.