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/kubernetes/kubectl.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, kubernetes }:
+
+stdenv.mkDerivation rec {
+  pname = "kubectl";
+
+  inherit (kubernetes)
+    disallowedReferences
+    GOFLAGS
+    nativeBuildInputs
+    postBuild
+    postPatch
+    src
+    version
+    ;
+
+  outputs = [ "out" "man" ];
+
+  WHAT = "cmd/kubectl";
+
+  installPhase = ''
+    runHook preInstall
+    install -D _output/local/go/bin/kubectl -t $out/bin
+
+    installManPage docs/man/man1/kubectl*
+
+    installShellCompletion --cmd kubectl \
+      --bash <($out/bin/kubectl completion bash) \
+      --fish <($out/bin/kubectl completion fish) \
+      --zsh <($out/bin/kubectl completion zsh)
+    runHook postInstall
+  '';
+
+  meta = kubernetes.meta // {
+    description = "Kubernetes CLI";
+    homepage = "https://github.com/kubernetes/kubectl";
+    platforms = lib.platforms.unix;
+  };
+}