adj: migrate old MULTIARCH macros to VLIB_NODE_FN

Change-Id: Iac92a6d15e1feef4d97b8db09fc60901dc9f7880
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt
index f8dafc0..1c2ab2d 100644
--- a/src/vnet/CMakeLists.txt
+++ b/src/vnet/CMakeLists.txt
@@ -1235,6 +1235,11 @@
   adj/adj_delegate.c
 )
 
+list(APPEND VNET_MULTIARCH_SOURCES
+  adj/adj_nsh.c
+  adj/adj_l2.c
+)
+
 list(APPEND VNET_HEADERS
   adj/adj.h
   adj/adj_types.h