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/tasks/filesystems/reiserfs.nix

@@ -0,0 +1,25 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  inInitrd = any (fs: fs == "reiserfs") config.boot.initrd.supportedFilesystems;
+
+in
+
+{
+  config = mkIf (any (fs: fs == "reiserfs") config.boot.supportedFilesystems) {
+
+    system.fsPackages = [ pkgs.reiserfsprogs ];
+
+    boot.initrd.kernelModules = mkIf inInitrd [ "reiserfs" ];
+
+    boot.initrd.extraUtilsCommands = mkIf (inInitrd && !config.boot.initrd.systemd.enable)
+      ''
+        copy_bin_and_libs ${pkgs.reiserfsprogs}/sbin/reiserfsck
+        ln -s reiserfsck $out/bin/fsck.reiserfs
+      '';
+
+  };
+}