games: put doom related options together

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/Config.in

@@ -75,11 +75,11 @@ endmenu
 
 menu "Games"
 source "package/games/ace_of_penguins/Config.in"
-source "package/games/doom-wad/Config.in"
 source "package/games/gnuchess/Config.in"
-source "package/games/lxdoom/Config.in"
 source "package/games/magiccube4d/Config.in"
+source "package/games/lxdoom/Config.in"
 source "package/games/prboom/Config.in"
+source "package/games/doom-wad/Config.in"
 source "package/games/rubix/Config.in"
 endmenu