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/hwi/default.nix

@@ -0,0 +1,62 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, bitbox02
+, cbor
+, ecdsa
+, hidapi
+, libusb1
+, mnemonic
+, pyaes
+, pyserial
+, typing-extensions
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "hwi";
+  version = "2.1.1";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "bitcoin-core";
+    repo = "HWI";
+    rev = version;
+    sha256 = "sha256-jsJjGezf2JrPYr3YNZGx23Jo14DbmM1S6bu7+xgZh58=";
+  };
+
+  propagatedBuildInputs = [
+    bitbox02
+    cbor
+    ecdsa
+    hidapi
+    libusb1
+    mnemonic
+    pyaes
+    pyserial
+    typing-extensions
+  ];
+
+  # relax required dependencies:
+  # libusb1           - https://github.com/bitcoin-core/HWI/issues/579
+  # typing-extensions - https://github.com/bitcoin-core/HWI/issues/572
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace 'libusb1>=1.7,<3' 'libusb1>=1.7,<4' \
+      --replace 'typing-extensions>=3.7,<4.0' 'typing-extensions>=3.7,<5.0'
+  '';
+
+  # tests require to clone quite a few firmwares
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "hwilib"
+  ];
+
+  meta = with lib; {
+    description = "Bitcoin Hardware Wallet Interface";
+    homepage = "https://github.com/bitcoin-core/hwi";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ prusnak ];
+  };
+}