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/os-specific/linux/untie/default.nix

@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "untie";
+  version = "0.3";
+  src = fetchurl {
+    url = "http://guichaz.free.fr/untie/files/${pname}-${version}.tar.bz2";
+    sha256 = "1334ngvbi4arcch462mzi5vxvxck4sy1nf0m58116d9xmx83ak0m";
+  };
+
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  meta = with lib; {
+    description = "A tool to run processes untied from some of the namespaces";
+    maintainers = with maintainers; [ raskin ];
+    platforms = platforms.linux;
+    license = licenses.gpl2Plus;
+  };
+
+  passthru = {
+    updateInfo = {
+      downloadPage = "http://guichaz.free.fr/untie";
+    };
+  };
+}