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/servers/imgproxy/default.nix

@@ -0,0 +1,32 @@
+{ lib, buildGoModule, fetchFromGitHub, pkg-config, vips, gobject-introspection
+, stdenv, libunwind }:
+
+buildGoModule rec {
+  pname = "imgproxy";
+  version = "3.3.3";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = pname;
+    sha256 = "sha256-VS2EZUMUvzuSP/Rs0pY0qo5VcB9VU3+IzZG6AdTrhmk=";
+    rev = "v${version}";
+  };
+
+  vendorSha256 = "sha256-Rp0vTtpdKpYg/7UjX73Qwxu6dOqDr24nqp41fKN1IYw=";
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ gobject-introspection vips ]
+    ++ lib.optionals stdenv.isDarwin [ libunwind ];
+
+  preBuild = ''
+    export CGO_LDFLAGS_ALLOW='-(s|w)'
+  '';
+
+  meta = with lib; {
+    description = "Fast and secure on-the-fly image processing server written in Go";
+    homepage = "https://imgproxy.net";
+    license = licenses.mit;
+    maintainers = with maintainers; [ paluh ];
+  };
+}