Add a missing space must before the first item of the list to display it
correctly in the User Guide.
Fixes: d61f70b4c918 ("crypto/libcrypto: add driver for OpenSSL library")
Fixes: b79e4c00af0e ("cryptodev: use AES-GCM/CCM as AEAD algorithms")
Cc: stable@dpdk.org
Signed-off-by: Andrea Grandi <andrea.grandi@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>