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/google-app-engine-go-sdk/default.nix

@@ -0,0 +1,43 @@
+{ lib, stdenv, fetchzip, python3Packages, makeWrapper }:
+
+with python3Packages;
+
+stdenv.mkDerivation rec {
+  pname = "google-app-engine-go-sdk";
+  version = "1.9.61";
+  src =
+    if stdenv.hostPlatform.system == "x86_64-linux" then
+      fetchzip {
+        url = "https://storage.googleapis.com/appengine-sdks/featured/go_appengine_sdk_linux_amd64-${version}.zip";
+        sha256 = "1i2j9ympl1218akwsmm7yb31v0gibgpzlb657bcravi1irfv1hhs";
+      }
+    else
+      fetchzip {
+        url = "https://storage.googleapis.com/appengine-sdks/featured/go_appengine_sdk_darwin_amd64-${version}.zip";
+        sha256 = "0s8sqyc72lnc7dxd4cl559gyfx83x71jjpsld3i3nbp3mwwamczp";
+      };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ python ];
+
+  installPhase = ''
+    mkdir -p $out/bin $out/share/
+    cp -r "$src" "$out/share/go_appengine"
+
+    # create wrappers with correct env
+    for i in goapp go-app-stager *.py; do
+      makeWrapper "$out/share/go_appengine/$i" "$out/bin/$i" \
+        --prefix PATH : "${python}/bin" \
+        --prefix PYTHONPATH : "$(toPythonPath ${cffi}):$(toPythonPath ${cryptography}):$(toPythonPath ${pyopenssl})"
+    done
+  '';
+
+  meta = with lib; {
+    description = "Google App Engine SDK for Go";
+    version = version;
+    homepage = "https://cloud.google.com/appengine/docs/go/";
+    license = licenses.asl20;
+    platforms = ["x86_64-linux" "x86_64-darwin"];
+    maintainers = with maintainers; [ lufia ];
+  };
+}