hid-nintendo: prepend kernel.makeFlags to makeFlags

pkgs/os-specific/linux/hid-nintendo/default.nix

···
 
   nativeBuildInputs = kernel.moduleBuildDependencies;
 
-  makeFlags = [
+  makeFlags = kernel.makeFlags ++ [
     "-C"
     "${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
     "M=$(sourceRoot)"