ip: migrate old MULTIARCH macros to VLIB_NODE_FN

Change-Id: Id55ec87724e421d5b722314f9302c6ade7545306
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt
index c5ad47e..cb730ba 100644
--- a/src/vnet/CMakeLists.txt
+++ b/src/vnet/CMakeLists.txt
@@ -441,6 +441,18 @@
   ip/punt.c
 )
 
+list(APPEND VNET_MULTIARCH_SOURCES
+  ip/ip4_source_check.c
+  ip/ip4_punt_drop.c
+  ip/ip4_reassembly.c
+  ip/ip6_hop_by_hop.c
+  ip/ip6_reassembly.c
+  ip/ip6_input.c
+  ip/ip6_punt_drop.c
+  ip/punt.c
+  ip/ip_in_out_acl.c
+)
+
 list(APPEND VNET_HEADERS
   ip/format.h
   ip/icmp46_packet.h