hid: egalax: Add support for Wetab (726b)

This patch adds support for another Wetab device (726b), and grabs it
accordingly in hid-core.

[rydberg@euromail.se: rename and log message changes]
Signed-off-by: Andy Ross <andy@plausible.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index a95719b..0f150c7 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -198,6 +198,7 @@
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1	0x720c
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2	0x72a1
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3	0x480e
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4	0x726b
 
 #define USB_VENDOR_ID_ELECOM		0x056e
 #define USB_DEVICE_ID_ELECOM_BM084	0x0061