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/security/onlykey-cli/default.nix

@@ -0,0 +1,34 @@
+{ lib, python3Packages }:
+
+python3Packages.buildPythonApplication rec {
+  pname = "onlykey-cli";
+  version = "1.2.9";
+
+  src = python3Packages.fetchPypi {
+    inherit version;
+    pname = "onlykey";
+    sha256 = "sha256-92CzDZgtmww0eABtjeBo6HNQ00sijWakjXLPJiOXY/A=";
+  };
+
+  propagatedBuildInputs = with python3Packages; [
+    aenum
+    cython
+    ecdsa
+    hidapi
+    onlykey-solo-python
+    prompt-toolkit
+    pynacl
+    six
+  ];
+
+  # Requires having the physical onlykey (a usb security key)
+  doCheck = false;
+  pythonImportsCheck = [ "onlykey.cli" ];
+
+  meta = with lib; {
+    description = "OnlyKey client and command-line tool";
+    homepage = "https://github.com/trustcrypto/python-onlykey";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ranfdev ];
+  };
+}