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/pysrt/default.nix

@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, chardet
+, nose
+}:
+
+buildPythonPackage rec {
+  pname = "pysrt";
+  version = "1.1.2";
+
+  src = fetchFromGitHub {
+    owner = "byroot";
+    repo = "pysrt";
+    rev = "v${version}";
+    sha256 = "1f5hxyzlh5mdvvi52qapys9qcinffr6ghgivb6k4jxa92cbs3mfg";
+  };
+
+  checkInputs = [ nose ];
+  checkPhase = ''
+    nosetests -v
+  '';
+
+  propagatedBuildInputs = [ chardet ];
+
+  meta = with lib; {
+    homepage = "https://github.com/byroot/pysrt";
+    license = licenses.gpl3;
+    description = "Python library used to edit or create SubRip files";
+  };
+}