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/development/libraries/libnatspec/default.nix

@@ -0,0 +1,24 @@
+{ lib, stdenv, fetchurl, autoreconfHook, popt, libiconv }:
+
+stdenv.mkDerivation rec {
+  pname = "libnatspec";
+  version = "0.3.0";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/natspec/${pname}-${version}.tar.bz2";
+    sha256 = "0wffxjlc8svilwmrcg3crddpfrpv35mzzjgchf8ygqsvwbrbb3b7";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+
+  buildInputs = [ popt ];
+
+  propagatedBuildInputs = [ libiconv ];
+
+  meta = with lib; {
+    homepage = "http://natspec.sourceforge.net/";
+    description = "A library intended to smooth national specificities in using of programs";
+    platforms = platforms.unix;
+    license = licenses.lgpl21;
+  };
+}