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/misc/nginx-config-formatter/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchFromGitHub, python3 }:
+
+stdenv.mkDerivation {
+  version = "2019-02-13";
+  pname = "nginx-config-formatter";
+
+  src = fetchFromGitHub {
+    owner = "1connect";
+    repo = "nginx-config-formatter";
+    rev = "4ea6bbc1bdeb1d28419548aeca90f323e64e0e05";
+    sha256 = "0h6pj9i0wim9pzkafi92l1nhlnl2a530vnm7qqi3n2ra8iwfyw4f";
+  };
+
+  buildInputs = [ python3 ];
+
+  doCheck = true;
+  checkPhase = ''
+    python3 $src/test_nginxfmt.py
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    install -m 0755 $src/nginxfmt.py $out/bin/nginxfmt
+  '';
+
+  meta = with lib; {
+    description = "nginx config file formatter";
+    maintainers = with maintainers; [ Baughn ];
+    license = licenses.asl20;
+    homepage = "https://github.com/1connect/nginx-config-formatter";
+  };
+}