misc: Break the big IP header files to improve compile time

Type: refactor

Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
Change-Id: Id1801519638a9b97175847d7ed58824fb83433d6
diff --git a/src/vnet/l2/l2_input_node.c b/src/vnet/l2/l2_input_node.c
index 972529a..59a437e 100644
--- a/src/vnet/l2/l2_input_node.c
+++ b/src/vnet/l2/l2_input_node.c
@@ -20,9 +20,8 @@
 #include <vnet/pg/pg.h>
 #include <vnet/ethernet/ethernet.h>
 #include <vnet/ethernet/packet.h>
-#include <vnet/ip/ip_packet.h>
-#include <vnet/ip/ip4_packet.h>
-#include <vnet/ip/ip6_packet.h>
+#include <vnet/ip/ip4.h>
+#include <vnet/ip/ip6.h>
 #include <vnet/fib/fib_node.h>
 #include <vnet/ethernet/arp_packet.h>
 #include <vlib/cli.h>