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/servers/polipo/default.nix

@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchurl, texinfo }:
+
+stdenv.mkDerivation rec {
+  pname = "polipo";
+  version = "1.1.1";
+
+  src = fetchurl {
+    url = "http://www.pps.univ-paris-diderot.fr/~jch/software/files/polipo/${pname}-${version}.tar.gz";
+    sha256 = "05g09sg9qkkhnc2mxldm1w1xkxzs2ylybkjzs28w8ydbjc3pand2";
+  };
+
+  buildInputs = [ texinfo ];
+  makeFlags = [ "PREFIX=$(out)" "LOCAL_ROOT=$(out)/share/polipo/www" ];
+
+  meta = with lib; {
+    homepage = "http://www.pps.jussieu.fr/~jch/software/polipo/";
+    description = "A small and fast caching web proxy";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ehmry ];
+    platforms = platforms.all;
+    knownVulnerabilities = [
+      "Unmaintained upstream: https://github.com/jech/polipo/commit/4d42ca1b5849"
+    ];
+  };
+}