crypto: caam - add support for xcbc(aes)

crypto: caam - add support for xcbc(aes)

Add xcbc(aes) offloading support.

Due to xcbc algorithm design and HW implementation in CAAM,
driver must still have some bytes to send to the crypto engine when
ahash_final() is called - such that HW correctly uses either K2 or K3
for the last block.

Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
(cherry picked from commit 12b8567f6fa489c098024fc75caba2f6b1390a92)

Removed is_mdha() function since it doesn't exist in BSP.

Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>