In some device trees of previous version, there were string "fsl,sec4.0".
To be backward compatible with device trees, we first check "fsl,sec-v4.0",
if it fails, then check for "fsl,sec4.0".
Signed-off-by: NShengzhou Liu <Shengzhou.Liu@freescale.com>

extended to include new hash and rng code, which was omitted from
the previous version of this patch during a rebase of the SDK
version.
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

support chained scatterlists for aead, ablkcipher and ahash.
Signed-off-by: NYuan Kang <Yuan.Kang@freescale.com>

- fix dma unmap leak
- un-unlikely src == dst, due to experience with AF_ALG
Signed-off-by: NKudupudi Ugendreshwar <B38865@freescale.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

caam supports and registers unkeyed sha algorithms and md5.
Signed-off-by: NYuan Kang <Yuan.Kang@freescale.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

caam supports ahash hmac with sha algorithms and md5.
Signed-off-by: NYuan Kang <Yuan.Kang@freescale.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>