Merge remote-tracking branch 'origin/pr/2700' into mbedtls-2.16

* origin/pr/2700:
  Changelog entry for HAVEGE fix
  Prevent building the HAVEGE module on platforms where it doesn't work
  Fix misuse of signed ints in the HAVEGE module
diff --git a/ChangeLog b/ChangeLog
index 9702af2..01da443 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,7 @@
      irwir.
    * Enable Suite B with subset of ECP curves. Make sure the code compiles even
      if some curves are not defined. Fixes #1591 reported by dbedev.
+   * Fix misuse of signed arithmetic in the HAVEGE module. #2598
 
 Changes
    * Make it easier to define MBEDTLS_PARAM_FAILED as assert (which config.h