watchdog: (nv_tco) add support for MCP79

Tested on the Nvidia chipset with an SMBus controller PCI ID 0x0AA2
(as shown in the PCI listing during the boot sequence).

Signed-off-by: Vivien Didelot <[e-mail]>
Reviewed-by: Guenter Roeck <[e-mail]>
Signed-off-by: Wim Van Sebroeck <[e-mail]>

drivers/watchdog/nv_tco.c

···
 	  PCI_ANY_ID, PCI_ANY_ID, },
 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_SMBUS,
 	  PCI_ANY_ID, PCI_ANY_ID, },
+	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP79_SMBUS,
+	  PCI_ANY_ID, PCI_ANY_ID, },
 	{ 0, },			/* End of list */
 };
 MODULE_DEVICE_TABLE(pci, tco_pci_tbl);