OpenSSL cryptodev patch

[Jan Lentfer]

Attached is a patch to enable cryptodev engine support in OpenSSL on 
Dragonfly.

I have tested this to some extend on a System with VIA C7 and padlock 
with these results:

bash-4.0# openssl speed -elapsed -evp AES-128-CBC
[...]
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 
bytes
aes-128-cbc       2212.74k     9283.28k    14203.47k    81418.80k 
551087.35k

openssl speed -elapsed -evp AES-128-CBC -engine padlock
[...]
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 
bytes
aes-128-cbc      34066.30k   115907.26k   294967.28k   483761.44k 
567358.91k

[padlock.ko loaded]
openssl speed -elapsed -evp AES-128-CBC -engine cryptodev
[...]
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 
bytes
aes-128-cbc       2357.93k     8318.06k    36483.88k   124004.00k 
620408.51k

[padlock.ko unloaded]
openssl speed -elapsed -evp AES-128-CBC -engine cryptodev
[...]
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 
bytes
aes-128-cbc       4413.40k     4146.96k     3727.17k     4627.12k 
4654.53k

Attachment:
cryptodev.patch
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