ixgbe: add define to support 82599 64 IVAR registers

82599 supports 64 IVAR registers this patch adds a define to
allow us to access them.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ixgbe/ixgbe_type.h

@@ -1150,6 +1150,7 @@
 
 /* Interrupt Vector Allocation Registers */
 #define IXGBE_IVAR_REG_NUM      25
+#define IXGBE_IVAR_REG_NUM_82599       64
 #define IXGBE_IVAR_TXRX_ENTRY   96
 #define IXGBE_IVAR_RX_ENTRY     64
 #define IXGBE_IVAR_RX_QUEUE(_i)    (0 + (_i))