uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

nixos/modules/installer/cd-dvd/system-tarball-fuloong2f.nix

@@ -0,0 +1,160 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  # A dummy /etc/nixos/configuration.nix in the booted CD that
+  # rebuilds the CD's configuration (and allows the configuration to
+  # be modified, of course, providing a true live CD).  Problem is
+  # that we don't really know how the CD was built - the Nix
+  # expression language doesn't allow us to query the expression being
+  # evaluated.  So we'll just hope for the best.
+  dummyConfiguration = pkgs.writeText "configuration.nix"
+    ''
+      { config, pkgs, ... }:
+
+      { # Add your own options below, e.g.:
+        #   services.openssh.enable = true;
+        nixpkgs.config.platform = pkgs.platforms.fuloong2f_n32;
+      }
+    '';
+
+
+  pkgs2storeContents = l : map (x: { object = x; symlink = "none"; }) l;
+
+  # A clue for the kernel loading
+  kernelParams = pkgs.writeText "kernel-params.txt" ''
+    Kernel Parameters:
+      init=/boot/init ${toString config.boot.kernelParams}
+  '';
+
+  # System wide nixpkgs config
+  nixpkgsUserConfig = pkgs.writeText "config.nix" ''
+    pkgs:
+    {
+      platform = pkgs.platforms.fuloong2f_n32;
+    }
+  '';
+
+in
+
+{
+  imports = [ ./system-tarball.nix ];
+
+  # Disable some other stuff we don't need.
+  security.sudo.enable = false;
+
+  # Include only the en_US locale.  This saves 75 MiB or so compared to
+  # the full glibcLocales package.
+  i18n.supportedLocales = ["en_US.UTF-8/UTF-8" "en_US/ISO-8859-1"];
+
+  # Include some utilities that are useful for installing or repairing
+  # the system.
+  environment.systemPackages =
+    [ pkgs.w3m # needed for the manual anyway
+      pkgs.testdisk # useful for repairing boot problems
+      pkgs.ms-sys # for writing Microsoft boot sectors / MBRs
+      pkgs.parted
+      pkgs.ddrescue
+      pkgs.ccrypt
+      pkgs.cryptsetup # needed for dm-crypt volumes
+
+      # Some networking tools.
+      pkgs.sshfs-fuse
+      pkgs.socat
+      pkgs.screen
+      pkgs.wpa_supplicant # !!! should use the wpa module
+
+      # Hardware-related tools.
+      pkgs.sdparm
+      pkgs.hdparm
+      pkgs.dmraid
+
+      # Tools to create / manipulate filesystems.
+      pkgs.ntfsprogs # for resizing NTFS partitions
+      pkgs.btrfs-progs
+      pkgs.jfsutils
+
+      # Some compression/archiver tools.
+      pkgs.unzip
+      pkgs.zip
+      pkgs.xz
+      pkgs.dar # disk archiver
+
+      # Some editors.
+      pkgs.nvi
+      pkgs.bvi # binary editor
+      pkgs.joe
+    ];
+
+  # The initrd has to contain any module that might be necessary for
+  # mounting the CD/DVD.
+  boot.initrd.availableKernelModules =
+    [ "vfat" "reiserfs" ];
+
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_3_10;
+  boot.kernelParams = [ "console=tty1" ];
+
+  boot.postBootCommands =
+    ''
+      mkdir -p /mnt
+
+      cp ${dummyConfiguration} /etc/nixos/configuration.nix
+    '';
+
+  # Some more help text.
+  services.getty.helpLine =
+    ''
+
+      Log in as "root" with an empty password.  ${
+        if config.services.xserver.enable then
+          "Type `start xserver' to start\nthe graphical user interface."
+        else ""
+      }
+    '';
+
+  # Include the firmware for various wireless cards.
+  networking.enableRalinkFirmware = true;
+  networking.enableIntel2200BGFirmware = true;
+
+  # To speed up further installation of packages, include the complete stdenv
+  # in the Nix store of the tarball.
+  tarball.storeContents = pkgs2storeContents [ pkgs.stdenv ]
+    ++ [
+      {
+        object = config.system.build.bootStage2;
+        symlink = "/boot/init";
+      }
+      {
+        object = config.system.build.toplevel;
+        symlink = "/boot/system";
+      }
+    ];
+
+  tarball.contents = [
+    { source = kernelParams;
+      target = "/kernelparams.txt";
+    }
+    { source = config.boot.kernelPackages.kernel + "/" + config.system.boot.loader.kernelFile;
+      target = "/boot/" + config.system.boot.loader.kernelFile;
+    }
+    { source = nixpkgsUserConfig;
+      target = "/root/.nixpkgs/config.nix";
+    }
+  ];
+
+  # Allow sshd to be started manually through "start sshd".  It should
+  # not be started by default on the installation CD because the
+  # default root password is empty.
+  services.openssh.enable = true;
+  systemd.services.openssh.wantedBy = lib.mkOverride 50 [];
+
+  boot.loader.grub.enable = false;
+  boot.loader.generationsDir.enable = false;
+  system.boot.loader.kernelFile = "vmlinux";
+
+  nixpkgs.config = {
+    platform = pkgs.platforms.fuloong2f_n32;
+  };
+}