spidernet: change interrupt masks

This patch changes spidernet interrupt masks.

 - unmask GDAINVAINT. There is an operation to do by spidernet
   interrupt handler.
 - mask some interrupts. There are no operations in the interrupt handler.
Signed-off-by: NKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: NJens Osterkamp <jens@de.ibm.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/net/spider_net.h

@@ -159,9 +159,8 @@ extern char spider_net_driver_name[];
 
 /** interrupt mask registers */
 #define SPIDER_NET_INT0_MASK_VALUE	0x3f7fe2c7
-#define SPIDER_NET_INT1_MASK_VALUE	0xffff7ff7
-/* no MAC aborts -> auto retransmission */
-#define SPIDER_NET_INT2_MASK_VALUE	0xffef7ff1
+#define SPIDER_NET_INT1_MASK_VALUE	0x0000fff2
+#define SPIDER_NET_INT2_MASK_VALUE	0x000003f1
 
 /* we rely on flagged descriptor interrupts */
 #define SPIDER_NET_FRAMENUM_VALUE	0x00000000