misc: replace CLIB_PREFETCH with clib_prefetch_{load,store}

Type: refactor
Change-Id: Id10cbf52e8f2dd809080a228d8fa282308be84ac
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vnet/ethernet/node.c b/src/vnet/ethernet/node.c
index f470c1c..cc0a0c3 100644
--- a/src/vnet/ethernet/node.c
+++ b/src/vnet/ethernet/node.c
@@ -1505,7 +1505,7 @@
 	  if (n_left_from > 1)
 	    {
 	      vlib_prefetch_buffer_header (b[1], STORE);
-	      CLIB_PREFETCH (b[1]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+	      clib_prefetch_load (b[1]->data);
 	    }
 
 	  bi0 = from[0];