Add new shash exploiting the HMAC hardware accelerations for SHA224,
SHA256, SHA384 and SHA512 introduced with message-security assist
extension 11.
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Holger Dengler <dengler@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>