libevent : upgrade to 4.0.21
- removed libevent-2.0.16_fix_for_x32.patch because the newer version
contained the changes done by the patch.
- LICENSE file new checksum caused by :
old : Copyright (c) 2007-2011 Niels Provos and Nick Mathewson
new : Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
(From OE-Core rev:
eda67a8cb2b2669c12ecda2cf9b00e1001b8c598)
Signed-off-by: Andrei Dinu <andrei.adrianx.dinu@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
