Add support for native vpp_lite (non-dpdk) platform

Change-Id: Icaa71957f67b923bc9795baa78c7495055615672
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/vnet/Makefile.am b/vnet/Makefile.am
index 411dce3..cf1fb1e 100644
--- a/vnet/Makefile.am
+++ b/vnet/Makefile.am
@@ -299,7 +299,6 @@
  vnet/ipsec/ipsec.c				\
  vnet/ipsec/ipsec_cli.c  			\
  vnet/ipsec/ipsec_format.c			\
- vnet/ipsec/ipsec_output.c			\
  vnet/ipsec/ipsec_input.c			\
  vnet/ipsec/ipsec_if.c				\
  vnet/ipsec/ipsec_if_in.c			\
@@ -313,6 +312,9 @@
  vnet/ipsec/ikev2_format.c
 endif 
 
+libvnet_la_SOURCES +=       			\
+ vnet/ipsec/ipsec_output.c
+
 nobase_include_HEADERS +=     		        \
  vnet/ipsec/ipsec.h                             \
  vnet/ipsec/esp.h				\