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/desktops/xfce/applications/orage/default.nix

@@ -0,0 +1,48 @@
+{ lib
+, mkXfceDerivation
+, dbus-glib
+, gtk3
+, libical
+, libnotify
+, libxfce4ui
+, popt
+, tzdata
+, xfce4-panel
+, withPanelPlugin ? true
+}:
+
+mkXfceDerivation {
+  category = "apps";
+  pname = "orage";
+  version = "4.16.0";
+  odd-unstable = false;
+  sha256 = "sha256-Q2vTjfhbhG7TrkGeU5oVBB+UvrV5QFtl372wgHU4cxw=";
+
+  buildInputs = [
+    dbus-glib
+    gtk3
+    libical
+    libnotify
+    libxfce4ui
+    popt
+  ]
+  ++ lib.optionals withPanelPlugin [
+    xfce4-panel
+  ];
+
+  postPatch = ''
+    substituteInPlace src/parameters.c        --replace "/usr/share/zoneinfo" "${tzdata}/share/zoneinfo"
+    substituteInPlace src/tz_zoneinfo_read.c  --replace "/usr/share/zoneinfo" "${tzdata}/share/zoneinfo"
+    substituteInPlace tz_convert/tz_convert.c --replace "/usr/share/zoneinfo" "${tzdata}/share/zoneinfo"
+  '';
+
+  postConfigure = ''
+    # ensure pkgs.libical is used instead of one included in the orage sources
+    rm -rf libical
+  '';
+
+  meta = with lib; {
+    description = "Simple calendar application for Xfce";
+    maintainers = with maintainers; [ ] ++ teams.xfce.members;
+  };
+}