[rdkb][eip][Add kernel patch for supporting AES-CTR in upstream driver]

[Description]
Add kernel patch for supporting AES-CTR in upstream driver.
Add structure and register ctr(aes) algorithm.
However, since EIP197 firmware only treat last 4 bytes IV as counter
(from rfc3686(ctr(aes))). Need to check whether the request will make
counter overflow and devide the request into multiple actions in
safexcel_skcipher_send().

[Release-log]
N/A

Change-Id: Icad3720ddbdeab8b18c1e690d7daa1d7e6cb0b87
2 files changed