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/prototool/default.nix

@@ -0,0 +1,35 @@
+{ lib, buildGoModule, fetchFromGitHub, makeWrapper, protobuf }:
+
+buildGoModule rec {
+  pname = "prototool";
+  version = "1.10.0";
+
+  src = fetchFromGitHub {
+    owner = "uber";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "02ih9pqnziwl2k4z6c59w1p4bxmb3xki5y33pdfkxqn2467s792g";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  vendorSha256 = "0gyj0yrri2j4yxmyn4d4vdhaxf2p08srpjcxg9zpaxwv5rrvipav";
+
+  doCheck = false;
+
+  postInstall = ''
+    wrapProgram "$out/bin/prototool" \
+      --prefix PROTOTOOL_PROTOC_BIN_PATH : "${protobuf}/bin/protoc" \
+      --prefix PROTOTOOL_PROTOC_WKT_PATH : "${protobuf}/include"
+  '';
+
+  subPackages = [ "cmd/prototool" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/uber/prototool";
+    description = "Your Swiss Army Knife for Protocol Buffers";
+    maintainers = [ maintainers.marsam ];
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+}