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/tools/parsing/jshon/default.nix

@@ -0,0 +1,41 @@
+{ stdenv, lib, fetchFromGitHub, fetchpatch, jansson }:
+
+stdenv.mkDerivation rec {
+  pname = "jshon";
+  version = "20170302";
+
+  src = fetchFromGitHub {
+    owner = "keenerd";
+    repo = "jshon";
+    rev = "d919aeaece37962251dbe6c1ee50f0028a5c90e4";
+    sha256 = "1x4zfmsjq0l2y994bxkhx3mn5vzjxxr39iib213zjchi9h6yxvnc";
+  };
+
+  buildInputs = [ jansson ];
+
+  patches = [
+    (fetchpatch {
+      # https://github.com/keenerd/jshon/pull/62
+      url = "https://github.com/keenerd/jshon/commit/96b4e9dbf578be7b31f29740b608aa7b34df3318.patch";
+      sha256 = "0kwbn3xb37iqb5y1n8vhzjiwlbg5jmki3f38pzakc24kzc5ksmaa";
+    })
+  ];
+
+  postPatch =
+    ''
+      substituteInPlace Makefile --replace "/usr/" "/"
+    '';
+
+  preInstall =
+    ''
+      export DESTDIR=$out
+    '';
+
+  meta = with lib; {
+    homepage = "http://kmkeen.com/jshon";
+    description = "JSON parser designed for maximum convenience within the shell";
+    license = licenses.free;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ rushmorem ];
+  };
+}