crypto: ccp - crypto API interface to the CCP device driver

These routines provide the support for the interface between the crypto API
and the AMD CCP. This includes insuring that requests associated with a
given tfm on the same cpu are processed in the order received.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>