USB: add support for Zire 31 devices.

Info was from Adriaan de Groot <adridg@cs.kun.nl>

drivers/usb/serial/visor.c

@@ -222,6 +222,8 @@ static struct usb_device_id id_table [] = {
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID),
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
+	{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE31_ID),
+		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID),
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID),
@@ -273,6 +275,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_M130_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_T_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_TUNGSTEN_Z_ID) },
+	{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE31_ID) },
 	{ USB_DEVICE(PALM_VENDOR_ID, PALM_ZIRE_ID) },
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_3_5_ID) },
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_4_0_ID) },

drivers/usb/serial/visor.h

@@ -31,6 +31,7 @@
 #define PALM_M130_ID			0x0050
 #define PALM_TUNGSTEN_T_ID		0x0060
 #define PALM_TUNGSTEN_Z_ID		0x0031
+#define PALM_ZIRE31_ID			0x0061
 #define PALM_ZIRE_ID			0x0070
 #define PALM_M100_ID			0x0080