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/py-cpuinfo/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, buildPythonPackage
+, pytestCheckHook
+, sysctl
+}:
+
+buildPythonPackage rec {
+  pname = "py-cpuinfo";
+  version = "8.0.0";
+
+  src = fetchFromGitHub {
+     owner = "workhorsy";
+     repo = pname;
+     rev = "v${version}";
+     sha256 = "sha256-Mgzj1HTasUNHeHMVwV6d+TeyVqnBNUwCJ1EC3kfovf8=";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  # On Darwin sysctl is used to read CPU information.
+  postPatch = lib.optionalString stdenv.isDarwin ''
+    substituteInPlace cpuinfo/cpuinfo.py \
+      --replace "len(_program_paths('sysctl')) > 0" "True" \
+      --replace "_run_and_get_stdout(['sysctl'" "_run_and_get_stdout(['${sysctl}/bin/sysctl'"
+  '';
+
+  pythonImportsCheck = [ "cpuinfo" ];
+
+  meta = with lib; {
+    description = "Get CPU info with pure Python";
+    longDescription = ''
+      Py-cpuinfo gets CPU info with pure Python and should work without any
+      extra programs or libraries, beyond what your OS provides. It does not
+      require any compilation (C/C++, assembly, etc.) to use and works with
+      Python.
+    '';
+    homepage = "https://github.com/workhorsy/py-cpuinfo";
+    changelog = "https://github.com/workhorsy/py-cpuinfo/blob/v${version}/ChangeLog";
+    license = licenses.mit;
+    maintainers = with maintainers; [ costrouc ];
+  };
+}