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/hcloud/default.nix

@@ -0,0 +1,36 @@
+{ lib, buildGoModule, fetchFromGitHub, installShellFiles }:
+
+buildGoModule rec {
+  pname = "hcloud";
+  version = "1.29.5";
+
+  src = fetchFromGitHub {
+    owner = "hetznercloud";
+    repo = "cli";
+    rev = "v${version}";
+    sha256 = "sha256-a+AXWr/60VFdNk+UkDYRXo5ib8LvaCVpjNi1GFrRVho=";
+  };
+
+  vendorSha256 = "sha256-iJnjmfP9BcT+OXotbS2+OSWGxQaMXwdlR1WTi04FesM=";
+
+  ldflags = [
+    "-s" "-w"
+    "-X github.com/hetznercloud/cli/internal/version.Version=${version}"
+  ];
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    for shell in bash zsh; do
+      $out/bin/hcloud completion $shell > hcloud.$shell
+      installShellCompletion hcloud.$shell
+    done
+  '';
+
+  meta = {
+    description = "A command-line interface for Hetzner Cloud, a provider for cloud virtual private servers";
+    homepage = "https://github.com/hetznercloud/cli";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.zauberpony ];
+  };
+}