[][openwrt][common][crypto][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: I057bcbbe4e356c11aa4f57c3213dfb8627a5c1df
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8999818
1 file changed