crypto/mrvl: add mrvl crypto driver

crypto/mrvl: add mrvl crypto driver

Add support for the Marvell Security Crypto Accelerator EIP197.
Driver is based on external, publicly available, Marvell MUSDK
library that provides access to the hardware with minimum overhead
and high performance.

Driver comes with support for the following features:

* Symmetric crypto
* Sym operation chaining
* AES CBC (128)
* AES CBC (192)
* AES CBC (256)
* AES CTR (128)
* AES CTR (192)
* AES CTR (256)
* 3DES CBC
* 3DES CTR
* MD5
* MD5 HMAC
* SHA1
* SHA1 HMAC
* SHA256
* SHA256 HMAC
* SHA384
* SHA384 HMAC
* SHA512
* SHA512 HMAC
* AES GCM (128)

Driver was engineered cooperatively by Semihalf and Marvell teams.

Semihalf:
Jacek Siuda <jck@semihalf.com>
Tomasz Duszynski <tdu@semihalf.com>

Marvell:
Dmitri Epshtein <dima@marvell.com>
Natalie Samsonov <nsamsono@marvell.com>

Signed-off-by: Jacek Siuda <jck@semihalf.com>
Signed-off-by: Tomasz Duszynski <tdu@semihalf.com>