forcedeth: fix cpu irq mask

This patch fixes the cpu irq mask define to include the timer irq.
Another flag check was setting up the timer bit in all cases so we
didn't notice the issue.
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/net/forcedeth.c

@@ -195,7 +195,7 @@ enum {
 #define NVREG_IRQ_TX_FORCED		0x0100
 #define NVREG_IRQ_RECOVER_ERROR		0x8000
 #define NVREG_IRQMASK_THROUGHPUT	0x00df
-#define NVREG_IRQMASK_CPU		0x0040
+#define NVREG_IRQMASK_CPU		0x0060
 #define NVREG_IRQ_TX_ALL		(NVREG_IRQ_TX_ERR|NVREG_IRQ_TX_OK|NVREG_IRQ_TX_FORCED)
 #define NVREG_IRQ_RX_ALL		(NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_RX_FORCED)
 #define NVREG_IRQ_OTHER			(NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RECOVER_ERROR)