bna: Fixed build break for allyesconfig

This is the patch to fix the build break caused by multiple
definitions of symbols between Brocade's FC/FCOE driver(BFA)
and 10G Networking Driver(BNA).

Changes are:

1. locally used functions are made static 

2. unused functions are removed

3. using unique namespaces for the function names that must be
globally visible

Signed-off-by: Debashis Dutt <ddutt@brocade.com>
Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bna/bnad.c b/drivers/net/bna/bnad.c
index 491d148..cbc1d56 100644
--- a/drivers/net/bna/bnad.c
+++ b/drivers/net/bna/bnad.c
@@ -1365,7 +1365,7 @@
 	unsigned long flags;
 
 	spin_lock_irqsave(&bnad->bna_lock, flags);
-	bfa_ioc_timeout((void *) &bnad->bna.device.ioc);
+	bfa_nw_ioc_timeout((void *) &bnad->bna.device.ioc);
 	spin_unlock_irqrestore(&bnad->bna_lock, flags);
 }
 
@@ -1376,7 +1376,7 @@
 	unsigned long flags;
 
 	spin_lock_irqsave(&bnad->bna_lock, flags);
-	bfa_ioc_hb_check((void *) &bnad->bna.device.ioc);
+	bfa_nw_ioc_hb_check((void *) &bnad->bna.device.ioc);
 	spin_unlock_irqrestore(&bnad->bna_lock, flags);
 }
 
@@ -1387,7 +1387,7 @@
 	unsigned long flags;
 
 	spin_lock_irqsave(&bnad->bna_lock, flags);
-	bfa_ioc_sem_timeout((void *) &bnad->bna.device.ioc);
+	bfa_nw_ioc_sem_timeout((void *) &bnad->bna.device.ioc);
 	spin_unlock_irqrestore(&bnad->bna_lock, flags);
 }
 
@@ -3067,7 +3067,6 @@
 	}
 	bnad = netdev_priv(netdev);
 
-
 	/*
 	 * PCI initialization
 	 * 	Output : using_dac = 1 for 64 bit DMA
@@ -3239,7 +3238,7 @@
 
 	pr_info("Brocade 10G Ethernet driver\n");
 
-	bfa_ioc_auto_recover(bnad_ioc_auto_recover);
+	bfa_nw_ioc_auto_recover(bnad_ioc_auto_recover);
 
 	err = pci_register_driver(&bnad_pci_driver);
 	if (err < 0) {