Add GCRYCTL_DISABLE_HWF

This option is useful to disable detected hardware features. It has
been implemented in benchmark, so that it is now possible to run

  tests/benchmark --disable-hwf intel-aesni  cipher aes aes192 aes256

to compare the use of AES-NI insns to the pure C code.

1 files changed, 1 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 98484324..fae8ee3c 100644
--- a/NEWS
+++ b/NEWS
@@ -37,6 +37,7 @@ Noteworthy changes in version 1.5.x (unreleased)
  GCRY_MD_TIGER2             NEW.
  gcry_pk_get_curve          NEW.
  gcry_pk_get_param          NEW.
+ GCRYCTL_DISABLE_HWF        NEW.
 
 
 Noteworthy changes in version 1.4.4 (2009-01-22)