[BNX2]: Turn off link during shutdown

Minor change in shutdown logic to effect a link down.

Update version to 1.4.43.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index 5845e33..658c5ee 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -4174,6 +4174,7 @@
 #define BNX2_DRV_MSG_CODE_PULSE			 0x06000000
 #define BNX2_DRV_MSG_CODE_DIAG			 0x07000000
 #define BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL	 0x09000000
+#define BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN		 0x0b000000
 
 #define BNX2_DRV_MSG_DATA			 0x00ff0000
 #define BNX2_DRV_MSG_DATA_WAIT0			 0x00010000