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/arcam-fmj/default.nix

@@ -0,0 +1,51 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchFromGitHub
+, aiohttp
+, attrs
+, defusedxml
+, pytest-aiohttp
+, pytest-mock
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "arcam-fmj";
+  version = "0.12.0";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "elupus";
+    repo = "arcam_fmj";
+    rev = version;
+    sha256 = "sha256-YkoABsOLEl1gSCRgZr0lLZGzicr3N5KRNLDjfuQhy2U=";
+  };
+
+  propagatedBuildInputs = [
+    aiohttp
+    attrs
+    defusedxml
+  ];
+
+  checkInputs = [
+    pytest-aiohttp
+    pytest-mock
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "arcam.fmj"
+    "arcam.fmj.client"
+    "arcam.fmj.state"
+    "arcam.fmj.utils"
+  ];
+
+  meta = with lib; {
+    description = "Python library for speaking to Arcam receivers";
+    homepage = "https://github.com/elupus/arcam_fmj";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}