Based on information provided by phenest in
https://github.com/systemd/systemd/issues/5341.
Those keys map to some special functions in windows, so let's map them
to prog1/prog2 so the user map them to something.
Fixes #5341.
evdev:atkbd:dmi:bvn*:bvr*:bd*:svnDell*:pnXPS*:pvr*
KEYBOARD_KEY_8c=!unknown
+# Dell XPS L702x
+evdev:atkbd:dmi:bvn*:bvr*:bd*:svnDellInc.:pnDellSystemXPSL702X:pvr*
+ KEYBOARD_KEY_84=prog1
+ KEYBOARD_KEY_85=prog2
+
# Dell XPS12 9Q33
evdev:atkbd:dmi:bvn*:bvr*:bd*:svnDell*:pnXPS12-9Q33*:pvr*
KEYBOARD_KEY_88=wlan