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/networking/shadowfox/default.nix

@@ -0,0 +1,32 @@
+{ lib, fetchFromGitHub, buildGoModule }:
+
+buildGoModule rec {
+  pname = "shadowfox";
+  version = "2.2.0";
+
+  src = fetchFromGitHub {
+    owner = "SrKomodo";
+    repo = "shadowfox-updater";
+    rev = "v${version}";
+    sha256 = "125mw70jidbp436arhv77201jdp6mpgqa2dzmrpmk55f9bf29sg6";
+  };
+
+  vendorSha256 = "17m0ssfw9n3g2lkv63qajz3adrk5yp0c9hx66x7dl79snwqd49yg";
+
+  doCheck = false;
+
+  ldflags = [
+    "-X main.tag=v${version}"
+  ];
+
+  meta = with lib; {
+    description = ''
+      This project aims at creating a universal dark theme for Firefox while
+      adhering to the modern design principles set by Mozilla.
+    '';
+    homepage = "https://overdodactyl.github.io/ShadowFox/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ infinisil ];
+    mainProgram = "shadowfox-updater";
+  };
+}