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/backup/duplicacy/default.nix

@@ -0,0 +1,32 @@
+{ lib, buildGoPackage, fetchFromGitHub }:
+
+buildGoPackage rec {
+  pname = "duplicacy";
+  version = "2.7.2";
+
+  goPackagePath = "github.com/gilbertchen/duplicacy";
+
+  src = fetchFromGitHub {
+    owner = "gilbertchen";
+    repo = "duplicacy";
+    rev = "v${version}";
+    sha256 = "0j37sqicj7rl982czqsl3ipxw7k8k4smcr63s0yklxwz7ch3353c";
+  };
+  goDeps = ./deps.nix;
+  buildPhase = ''
+    cd go/src/${goPackagePath}
+    go build duplicacy/duplicacy_main.go
+  '';
+
+  installPhase = ''
+    install -D duplicacy_main $out/bin/duplicacy
+  '';
+
+  meta = with lib; {
+    homepage = "https://duplicacy.com";
+    description = "A new generation cloud backup tool";
+    platforms = platforms.linux ++ platforms.darwin;
+    license = lib.licenses.unfree;
+    maintainers = with maintainers; [ ffinkdevs ];
+  };
+}