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/applications/version-management/bumpver/default.nix

@@ -0,0 +1,29 @@
+{ lib, python3, git, mercurial}:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "bumpver";
+  version = "2021.1110";
+
+  src = python3.pkgs.fetchPypi {
+    inherit pname version;
+    sha256 = "b6a0ddb78db7e00ae7ffe895bf8ef97f91e6310dfc1c4721896bdfd044b1cb03";
+  };
+
+  prePatch = ''
+    substituteInPlace setup.py \
+      --replace "if any(arg.startswith(\"bdist\") for arg in sys.argv):" ""\
+      --replace "import lib3to6" ""\
+      --replace "package_dir = lib3to6.fix(package_dir)" ""
+  '';
+
+  propagatedBuildInputs = with python3.pkgs; [ pathlib2 click toml lexid colorama setuptools ];
+
+  checkInputs = [ python3.pkgs.pytestCheckHook git mercurial];
+
+  meta = with lib; {
+    description = "Bump version numbers in project files";
+    homepage = "https://pypi.org/project/bumpver/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ kfollesdal ];
+  };
+}