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/bitstring/default.nix

@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, python
+}:
+
+buildPythonPackage rec {
+  pname = "bitstring";
+  version = "3.1.9";
+
+  src = fetchFromGitHub {
+    owner = "scott-griffiths";
+    repo = pname;
+    rev = "bitstring-${version}";
+    sha256 = "0y2kcq58psvl038r6dhahhlhp1wjgr5zsms45wyz1naq6ri8x9qa";
+  };
+
+  checkPhase = ''
+    cd test
+    ${python.interpreter} -m unittest discover
+  '';
+
+  pythonImportsCheck = [ "bitstring" ];
+
+  meta = with lib; {
+    description = "Module for binary data manipulation";
+    homepage = "https://github.com/scott-griffiths/bitstring";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ bjornfor ];
+  };
+}