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/misc/topgrade/default.nix

@@ -0,0 +1,38 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, rustPlatform
+, Cocoa
+, Foundation
+, installShellFiles
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "topgrade";
+  version = "9.0.1";
+
+  src = fetchFromGitHub {
+    owner = "r-darwish";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-9zP+rWhaK4fC2Qhd0oq9WVvCkvryooYo09k7016Rbxw=";
+  };
+
+  cargoSha256 = "sha256-otn0XvZ0wufD+4mCGSM0hevKM+wWSvFVCKtTu/5m1uA=";
+
+  buildInputs = lib.optionals stdenv.isDarwin [ Cocoa Foundation ];
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    installManPage topgrade.8
+  '';
+
+  meta = with lib; {
+    description = "Upgrade all the things";
+    homepage = "https://github.com/r-darwish/topgrade";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+    broken = stdenv.isDarwin;
+  };
+}