Remove c-11 memcpy checks from perf-critical code

Change-Id: Id4f37f5d4a03160572954a416efa1ef9b3d79ad1
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vnet/lldp/lldp_node.c b/src/vnet/lldp/lldp_node.c
index 2d169b9..043ca9f 100644
--- a/src/vnet/lldp/lldp_node.c
+++ b/src/vnet/lldp/lldp_node.c
@@ -87,7 +87,7 @@
 	  len = (b0->current_length < sizeof (t0->data)) ? b0->current_length
 	    : sizeof (t0->data);
 	  t0->len = len;
-	  clib_memcpy (t0->data, vlib_buffer_get_current (b0), len);
+	  clib_memcpy_fast (t0->data, vlib_buffer_get_current (b0), len);
 	}
       /* push this pkt to the next graph node, always error-drop */
       vlib_set_next_frame_buffer (vm, node, next0, bi0);