bnx2x: PHY lock list

Some dual port PHY require HW lock since they are used by both interfaces
(different driver instances). Since this list is getting longer, update a
parameter at load time instead of calculating it on runtime

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bnx2x.h

@@ -570,6 +570,7 @@ struct bnx2x_port {
 
 	/* used to synchronize phy accesses */
 	struct mutex		phy_mutex;
+	int			need_hw_lock;
 
 	u32			port_stx;