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/http-sfv/default.nix

@@ -0,0 +1,39 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, typing-extensions
+}:
+
+buildPythonPackage rec {
+  pname = "http-sfv";
+  version = "0.9.7";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "mnot";
+    repo = "http_sfv";
+    rev = "http_sfv-${version}";
+    hash = "sha256-VeCDgzpnaN8zkZt7Dy0njU6Dnq1SQTJ95CEYl20QxPQ=";
+  };
+
+  propagatedBuildInputs = [
+    typing-extensions
+  ];
+
+  # Tests require external data (https://github.com/httpwg/structured-field-tests)
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "http_sfv"
+  ];
+
+  meta = with lib; {
+    description = "Module to parse and serialise HTTP structured field values";
+    homepage = "https://github.com/mnot/http_sfv";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ fab ];
+  };
+}