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/setuptools-scm/default.nix

@@ -0,0 +1,41 @@
+{ buildPythonPackage
+, callPackage
+, fetchPypi
+, packaging
+, tomli
+, lib
+}:
+
+buildPythonPackage rec {
+  pname = "setuptools-scm";
+  version = "6.4.2";
+
+  src = fetchPypi {
+    pname = "setuptools_scm";
+    inherit version;
+    sha256 = "sha256-aDOsZcbtlxGk1dImb4Akz6B8UzoOVfTBL27/KApanjA=";
+  };
+
+  propagatedBuildInputs = [
+    packaging
+    tomli
+  ];
+
+  pythonImportsCheck = [
+    "setuptools_scm"
+  ];
+
+  # check in passhtru.tests.pytest to escape infinite recursion on pytest
+  doCheck = false;
+
+  passthru.tests = {
+    pytest = callPackage ./tests.nix { };
+  };
+
+  meta = with lib; {
+    homepage = "https://github.com/pypa/setuptools_scm/";
+    description = "Handles managing your python package versions in scm metadata";
+    license = licenses.mit;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}

pkgs/development/python-modules/setuptools-scm/tests.nix

@@ -0,0 +1,32 @@
+{ buildPythonPackage
+, setuptools-scm
+, pytestCheckHook
+, git
+, mercurial
+, pip
+, virtualenv
+}:
+
+buildPythonPackage rec {
+  pname = "setuptools-scm-tests";
+  inherit (setuptools-scm) version;
+
+  src = setuptools-scm.src;
+
+  dontBuild = true;
+  dontInstall = true;
+
+  checkInputs = [
+    pytestCheckHook
+    setuptools-scm
+    pip
+    virtualenv
+    git
+    mercurial
+  ];
+
+  disabledTests = [
+    # network access
+    "test_pip_download"
+  ];
+}