crypto: nx - fix limits to sg lists for AES-CTR
crypto: nx - fix limits to sg lists for AES-CTR

This patch updates the nx-aes-ctr implementation to perform several
hyper calls if needed in order to always respect the length limits for
scatter/gather lists.

Two different limits are considered:

 - "ibm,max-sg-len": maximum number of bytes of each scatter/gather
   list.

 - "ibm,max-sync-cop":
    - The total number of bytes that a scatter/gather list can hold.
    - The maximum number of elements that a scatter/gather list can have.

Reviewed-by: Joy Latten <d52cec510126fd47fd8d2fded238791e9e5bd0bf@linux.vnet.ibm.com>
Signed-off-by: Marcelo Cerri <8921b6f701ecf8f7360835b51eec13069e5013ec@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <ef65de1c7be0aa837fe7b25ba9a7739905af6a55@gondor.apana.org.au>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs