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/nrpl/default.nix

@@ -0,0 +1,40 @@
+{ lib, nimPackages, fetchFromGitHub, fetchpatch, makeWrapper, pcre, tinycc }:
+
+nimPackages.buildNimPackage {
+  pname = "nrpl";
+  version = "20150522";
+  nimBinOnly = true;
+
+  src = fetchFromGitHub {
+    owner  = "wheineman";
+    repo   = "nrpl";
+    rev    = "6d6c189ab7d1c905cc29dc678d66e9e132026f69";
+    sha256 = "1cly9lhrawnc42r31b7r0p0i6hcx8r00aa17gv7w9pcpj8ngb4v2";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ pcre ];
+
+  patches = [
+    (fetchpatch {
+      url    = "https://patch-diff.githubusercontent.com/raw/wheineman/nrpl/pull/12.patch";
+      name   = "update_for_new_nim.patch";
+      sha256 = "1zff7inhn3l1jnxcnidy705lzi3wqib1chf4rayh1g9i23an7wg1";
+    })
+  ];
+
+  NIX_LDFLAGS = "-lpcre";
+
+  postFixup = ''
+    wrapProgram $out/bin/nrpl \
+      --prefix PATH : ${lib.makeBinPath [ nimPackages.nim tinycc ]}
+  '';
+
+  meta = with lib; {
+    description = "REPL for the Nim programming language";
+    homepage = "https://github.com/wheineman/nrpl";
+    license = licenses.mit;
+    maintainers = with maintainers; [ peterhoeg ];
+    platforms = with platforms; linux ++ darwin;
+  };
+}