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/kargo/default.nix

@@ -0,0 +1,38 @@
+{ lib, fetchurl, python3Packages }:
+
+with python3Packages;
+
+buildPythonApplication rec {
+  version = "0.4.8";
+  pname = "kargo";
+
+  src = fetchurl {
+    url = "mirror://pypi/k/kargo/${pname}-${version}.tar.gz";
+    sha256 = "1iq3vrmglag9gpsir03yz7556m0bz99nwb2mf594378cqzbr6db3";
+  };
+
+  propagatedBuildInputs = [
+    ansible-core
+    boto
+    cffi
+    cryptography
+    libcloud
+    markupsafe
+    netaddr
+    pyasn1
+    requests
+    setuptools
+  ];
+
+  checkPhase = ''
+    HOME=$TMPDIR $out/bin/kargo -v
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/kubespray/kargo-cli";
+    description = "A tool helps to deploy a kubernetes cluster with Ansible";
+    platforms = platforms.all;
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ ];
+  };
+}