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/tools/compression/advancecomp/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, zlib
+}:
+
+stdenv.mkDerivation rec {
+  pname = "advancecomp";
+  version = "2.3";
+
+  src = fetchFromGitHub {
+    owner = "amadvance";
+    repo = "advancecomp";
+    rev = "v${version}";
+    hash = "sha256-klyTqqZs5TwadgDP8LJ1wUhXlO+/kQPM6qhiSki31Q8=";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+  buildInputs = [ zlib ];
+
+  # autover.sh relies on 'git describe', which obviously doesn't work as we're not cloning
+  # the full git repo. so we have to put the version number in `.version`, otherwise
+  # the binaries get built reporting "none" as their version number.
+  postPatch = ''
+    echo "${version}" >.version
+  '';
+
+  meta = with lib; {
+    description = "A set of tools to optimize deflate-compressed files";
+    license = licenses.gpl3 ;
+    maintainers = [ maintainers.raskin ];
+    platforms = platforms.linux ++ platforms.darwin;
+    homepage = "https://github.com/amadvance/advancecomp";
+
+  };
+}