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/pymdstat/default.nix

@@ -0,0 +1,30 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, python
+}:
+
+buildPythonPackage rec {
+  pname = "pymdstat";
+  version = "0.4.2";
+
+  src = fetchFromGitHub {
+    owner = "nicolargo";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "01hj8vyd9f7610sqvzphpr033rvnazbwvl11gi18ia3yqlnlncp0";
+  };
+
+  checkPhase = ''
+    ${python.interpreter} $src/unitest.py
+  '';
+
+  pythonImportsCheck = [ "pymdstat" ];
+
+  meta = with lib; {
+    description = "A pythonic library to parse Linux /proc/mdstat file";
+    homepage = "https://github.com/nicolargo/pymdstat";
+    maintainers = with maintainers; [ rhoriguchi ];
+    license = licenses.mit;
+  };
+}