dpdk: add ipsec cryptodev support

DPDK Cryptodev support and related IPsec ESP nodes using DPDK Cryptodev APIs.

When DPDK Cryptodev support is enabled, the node graph is modified by adding
and replacing some of the nodes.

The following nodes are replaced:
* esp-encrypt -> dpdk-esp-encrypt
* esp-decrypt -> dpdk-esp-decrypt

The following nodes are added:
* dpdk-crypto-input : polling input node
* dpdk-esp-encrypt-post : internal node
* dpdk-esp-decrypt-post : internal node

Change-Id: I6dca9a890abaf4fb2a4fffce3fd08ac013e4d701
Signed-off-by: Zhang, Roy Fan <roy.fan.zhang@intel.com>
Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
diff --git a/build-data/platforms/vpp.mk b/build-data/platforms/vpp.mk
index 4fe7cc8..15d4dc3 100644
--- a/build-data/platforms/vpp.mk
+++ b/build-data/platforms/vpp.mk
@@ -41,6 +41,7 @@
 plugins_configure_args_vpp = --with-dpdk
 
 # DPDK configuration parameters
+# vpp_uses_dpdk_cryptodev = yes
 # vpp_uses_external_dpdk = yes
 # vpp_dpdk_inc_dir = /usr/include/dpdk
 # vpp_dpdk_lib_dir = /usr/lib