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/pygdbmi/default.nix

@@ -0,0 +1,36 @@
+{ stdenv
+, lib
+, buildPythonPackage
+, fetchFromGitHub
+, gdb
+}:
+
+buildPythonPackage rec {
+  pname = "pygdbmi";
+  version = "0.10.0.0";
+
+  src = fetchFromGitHub {
+    owner = "cs01";
+    repo = "pygdbmi";
+    rev = version;
+    sha256 = "0a6b3zyxwdcb671c6lrwxm8fhvsbjh0m8hf1r18m9dha86laimjr";
+  };
+
+  checkInputs = [ gdb ];
+
+  # tests require gcc for some reason
+  doCheck = !stdenv.hostPlatform.isDarwin;
+
+  postPatch = ''
+    # tries to execute flake8,
+    # which is likely to break on flake8 updates
+    echo "def main(): return 0" > tests/static_tests.py
+  '';
+
+  meta = with lib; {
+    description = "Parse gdb machine interface output with Python";
+    homepage = "https://github.com/cs01/pygdbmi";
+    license = licenses.mit;
+    maintainers = [ maintainers.mic92 ];
+  };
+}