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/development/python-modules/ledgerblue/default.nix

@@ -0,0 +1,53 @@
+{ lib
+, buildPythonPackage
+, ecpy
+, fetchPypi
+, future
+, hidapi
+, pillow
+, protobuf
+, pycrypto
+, pycryptodomex
+, pythonOlder
+, python-u2flib-host
+, websocket-client
+}:
+
+buildPythonPackage rec {
+  pname = "ledgerblue";
+  version = "0.1.42";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-UNquetZ1sCLO9T5p5b3jTSu+52xuc5XdyHNKsvvPdck=";
+  };
+
+  propagatedBuildInputs = [
+    ecpy
+    future
+    hidapi
+    pillow
+    protobuf
+    pycrypto
+    pycryptodomex
+    python-u2flib-host
+    websocket-client
+  ];
+
+  # No tests
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "ledgerblue"
+  ];
+
+  meta = with lib; {
+    description = "Python library to communicate with Ledger Blue/Nano S";
+    homepage = "https://github.com/LedgerHQ/blue-loader-python";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ np ];
+  };
+}