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/svdtools/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchPypi
+, braceexpand
+, click
+, pyyaml
+, lxml
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "svdtools";
+  version = "0.1.23";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchPypi {
+    inherit version pname;
+    hash = "sha256-LuursRuUZEDLbk9Wbnq/S0dsZHbzIJo1YCSVFMUoiog=";
+  };
+
+  propagatedBuildInputs = [
+    braceexpand
+    click
+    pyyaml
+    lxml
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "svdtools"
+  ];
+
+  meta = with lib; {
+    description = "Python package to handle vendor-supplied, often buggy SVD files";
+    homepage = "https://github.com/stm32-rs/svdtools";
+    changelog = "https://github.com/stm32-rs/svdtools/blob/v${version}/CHANGELOG-python.md";
+    license = with licenses; [ asl20 /* or */ mit ];
+    maintainers = with maintainers; [ newam ];
+  };
+}