ixgbe: Add SR-IOV specific modules to driver Makefile

Add the mailbox and SR-IOV feature modules to the ixgbe driver Makefile.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ixgbe/Makefile

@@ -33,7 +33,8 @@
 obj-$(CONFIG_IXGBE) += ixgbe.o
 
 ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o \
-              ixgbe_82599.o ixgbe_82598.o ixgbe_phy.o
+              ixgbe_82599.o ixgbe_82598.o ixgbe_phy.o ixgbe_sriov.o \
+              ixgbe_mbx.o
 
 ixgbe-$(CONFIG_IXGBE_DCB) +=  ixgbe_dcb.o ixgbe_dcb_82598.o \
                               ixgbe_dcb_82599.o ixgbe_dcb_nl.o