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>

pkgs/applications/display-managers/lightdm-enso-os-greeter/default.nix

@@ -0,0 +1,71 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, linkFarm, lightdm-enso-os-greeter
+, dbus, pcre, libepoxy, libXdmcp, at-spi2-core, libxklavier, libxkbcommon, libpthreadstubs
+, gtk3, vala, cmake, libgee, libX11, lightdm, gdk-pixbuf, clutter-gtk, wrapGAppsHook, librsvg }:
+
+stdenv.mkDerivation {
+  pname = "lightdm-enso-os-greeter";
+  version = "0.2.1";
+
+  src = fetchFromGitHub {
+    owner = "nick92";
+    repo = "Enso-OS";
+    rev = "ed48330bfd986072bd82ac542ed8f8a7365c6427";
+    sha256 = "sha256-v79J5KyjeJ99ifN7nK/B+J7f292qDAEHsmsHLAMKVYY=";
+  };
+
+  patches = [
+    ./fix-paths.patch
+  ];
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+    vala
+    wrapGAppsHook
+  ];
+
+  buildInputs = [
+    dbus
+    gtk3
+    pcre
+    libepoxy
+    libgee
+    libX11
+    lightdm
+    libXdmcp
+    gdk-pixbuf
+    clutter-gtk
+    libxklavier
+    at-spi2-core
+    libxkbcommon
+    libpthreadstubs
+    librsvg
+  ];
+
+  preConfigure = ''
+    cd greeter
+  '';
+
+  passthru.xgreeters = linkFarm "enso-os-greeter-xgreeters" [{
+    path = "${lightdm-enso-os-greeter}/share/xgreeters/pantheon-greeter.desktop";
+    name = "pantheon-greeter.desktop";
+  }];
+
+  postFixup = ''
+    substituteInPlace $out/share/xgreeters/pantheon-greeter.desktop \
+      --replace "pantheon-greeter" "$out/bin/pantheon-greeter"
+  '';
+
+  meta = with lib; {
+    description = ''
+      A fork of pantheon greeter that positions elements in a central and
+      vertigal manner and adds a blur effect to the background
+    '';
+    homepage = "https://github.com/nick92/Enso-OS";
+    platforms = platforms.linux;
+    license = licenses.gpl3;
+    maintainers = with maintainers; [
+      eadwu
+    ];
+  };
+}