This fixes the tablet buttons on the Thinkpad X200 Tablet.
My Lenovo ThinkPad X200 Tablet is called "ThinkPadX200T" instead of "ThinkPadX200Tablet":
```
$ cat /sys/devices/virtual/dmi/id/modalias
dmi:bvnLENOVO:bvr7WET71WW(3.21):bd11/29/2012:br3.33:efr1.6:svnLENOVO:pn7453WVK:pvrThinkPadX200T:rvnLENOVO:rn7453WVK:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:sku:
```
This patch makes both strings work correctly to support the extra tablet keys.
KEYBOARD_KEY_81=insert
# Thinkpad X200_Tablet
-evdev:atkbd:dmi:bvn*:bvr*:bd*:svnLENOVO*:pn*:pvrThinkPad*X2*Tablet*:*
+evdev:atkbd:dmi:bvn*:bvr*:bd*:svnLENOVO*:pn*:pvrThinkPad*X2*T*:*
KEYBOARD_KEY_5d=menu
KEYBOARD_KEY_63=fn
KEYBOARD_KEY_66=screenlock