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/applications/networking/cluster/tfswitch/default.nix

@@ -0,0 +1,31 @@
+{ buildGoModule, lib, fetchFromGitHub }:
+buildGoModule rec {
+  pname = "tfswitch";
+  version = "0.13.1250";
+
+  src = fetchFromGitHub {
+    owner = "warrensbox";
+    repo = "terraform-switcher";
+    rev = version;
+    sha256 = "sha256-OfQUwAv7PgjcDLE4Wm6I8pAHeLV9sHlLHRVqTB13B4c=";
+  };
+
+  vendorSha256 = "sha256-jM9xYwBshBpaT4duBTvVwYUOapQfUbq9kL7EaRIGfQY=";
+
+  # Disable tests since it requires network access and relies on the
+  # presence of release.hashicorp.com
+  doCheck = false;
+
+  postInstall = ''
+    # The binary is named tfswitch
+    mv $out/bin/terraform-switcher $out/bin/tfswitch
+  '';
+
+  meta = with lib; {
+    description =
+      "A command line tool to switch between different versions of terraform";
+    homepage = "https://github.com/warrensbox/terraform-switcher";
+    license = licenses.mit;
+    maintainers = with maintainers; [ psibi ];
+  };
+}