games: Blacklist hid_nintendo

It does not work with my 8BitDo Pro 2. Disabling the kernel module makes
it work with SDL’s hidraw driver.

modules/games.nix

@@ -19,5 +19,9 @@ in
       default = 1;
     };
   };
-  config = lib.mkIf cfg.enable { };
+  config = lib.mkIf cfg.enable {
+    boot.blacklistedKernelModules = [
+      "hid_nintendo"
+    ];
+  };
 }