XXXX Intel X540 support

@@ -1919,11 +1919,11 @@
 IXGBE_OBJS =    ixgbe_82598.o ixgbe_82599.o ixgbe_api.o         \
                 ixgbe_common.o ixgbe_phy.o                      \
                 ixgbe_buf.o ixgbe_debug.o ixgbe_gld.o           \
                 ixgbe_log.o ixgbe_main.o                        \
                 ixgbe_osdep.o ixgbe_rx.o ixgbe_stat.o           \
-                ixgbe_tx.o
+                ixgbe_tx.o  ixgbe_x540.o ixgbe_mbx.o
 
 #
 #       NIU 10G/1G driver module
 #
 NXGE_OBJS =     nxge_mac.o nxge_ipp.o nxge_rxdma.o              \