ixgbe: Move bridge mode from flag to variable

We are currently storing our BRIDGE_MODE as a bit in our adapter flags.
This patch will store the actual mode instead which minimizes obfuscation
and makes following patches for X550 simpler.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 09a291b..2d98ecd 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -36,6 +36,7 @@
 #include <linux/ip.h>
 #include <linux/tcp.h>
 #include <linux/ipv6.h>
+#include <linux/if_bridge.h>
 #ifdef NETIF_F_HW_VLAN_CTAG_TX
 #include <linux/if_vlan.h>
 #endif
@@ -79,7 +80,7 @@
 
 	/* Initialize default switching mode VEB */
 	IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
-	adapter->flags2 |= IXGBE_FLAG2_BRIDGE_MODE_VEB;
+	adapter->bridge_mode = BRIDGE_MODE_VEB;
 
 	/* If call to enable VFs succeeded then allocate memory
 	 * for per VF control structures.