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/k3sup/default.nix

@@ -0,0 +1,48 @@
+{ lib
+, buildGoModule
+, fetchFromGitHub
+, makeWrapper
+, bash
+, openssh
+}:
+
+buildGoModule rec {
+  pname = "k3sup";
+  version = "0.11.3";
+
+  src = fetchFromGitHub {
+    owner = "alexellis";
+    repo = "k3sup";
+    rev = version;
+    sha256 = "sha256-6WYUmC2uVHFGLsfkA2EUOWmmo1dSKJzI4MEdRnlLgYY=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  vendorSha256 = "sha256-Pd+BgPWoxf1AhP0o5SgFSvy4LyUQB7peKWJk0BMy7ds=";
+
+  postConfigure = ''
+    substituteInPlace vendor/github.com/alexellis/go-execute/pkg/v1/exec.go \
+      --replace "/bin/bash" "${bash}/bin/bash"
+  '';
+
+  CGO_ENABLED = 0;
+
+  ldflags = [
+    "-s" "-w"
+    "-X github.com/alexellis/k3sup/cmd.GitCommit=ref/tags/${version}"
+    "-X github.com/alexellis/k3sup/cmd.Version=${version}"
+  ];
+
+  postInstall = ''
+    wrapProgram "$out/bin/k3sup" \
+      --prefix PATH : ${lib.makeBinPath [ openssh ]}
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/alexellis/k3sup";
+    description = "Bootstrap Kubernetes with k3s over SSH";
+    license = licenses.mit;
+    maintainers = with maintainers; [ welteki ];
+  };
+}