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/package-management/nix-template/default.nix

@@ -0,0 +1,51 @@
+{ lib, stdenv, rustPlatform, fetchFromGitHub
+, installShellFiles
+, makeWrapper
+, nix
+, openssl
+, pkg-config
+, Security
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "nix-template";
+  version = "0.3.0";
+
+  src = fetchFromGitHub {
+    name = "${pname}-${version}-src";
+    owner = "jonringer";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-5redgssfwbNEgpjmakIcU8cL4Xg1kPvyK88v+xMqAtw=";
+  };
+
+  cargoSha256 = "sha256-d4gxOIpgtVBpqy4QGW4/UB/FP94CS+yzS8GCjRVaXOM=";
+
+  nativeBuildInputs = [
+    installShellFiles
+    makeWrapper
+    pkg-config
+  ];
+
+  buildInputs = [ openssl ]
+    ++ lib.optional stdenv.isDarwin Security;
+
+  # needed for nix-prefetch-url
+  postInstall = ''
+    wrapProgram $out/bin/nix-template \
+      --prefix PATH : ${lib.makeBinPath [ nix ]}
+
+    installShellCompletion --cmd nix-template \
+      --bash <($out/bin/nix-template completions bash) \
+      --fish <($out/bin/nix-template completions fish) \
+      --zsh <($out/bin/nix-template completions zsh)
+  '';
+
+  meta = with lib; {
+    description = "Make creating nix expressions easy";
+    homepage = "https://github.com/jonringer/nix-template/";
+    changelog = "https://github.com/jonringer/nix-template/releases/tag/v${version}";
+    license = licenses.cc0;
+    maintainers = with maintainers; [ jonringer ];
+  };
+}