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/networking/par2cmdline/default.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook }:
+
+stdenv.mkDerivation rec {
+  pname = "par2cmdline";
+  version = "0.8.1";
+
+  src = fetchFromGitHub {
+    owner = "Parchive";
+    repo = "par2cmdline";
+    rev = "v${version}";
+    sha256 = "11mx8q29cr0sryd11awab7y4mhqgbamb1ss77rffjj6in8pb4hdk";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+
+  meta = with lib; {
+    homepage = "https://github.com/Parchive/par2cmdline";
+    description = "PAR 2.0 compatible file verification and repair tool";
+    longDescription = ''
+      par2cmdline is a program for creating and using PAR2 files to detect
+      damage in data files and repair them if necessary. It can be used with
+      any kind of file.
+    '';
+    license = licenses.gpl2Plus;
+    maintainers = [ maintainers.muflax ];
+    platforms = platforms.all;
+  };
+}