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/python2-modules/setuptools-scm/default.nix

@@ -0,0 +1,24 @@
+{ lib, buildPythonPackage, fetchPypi, toml }:
+
+buildPythonPackage rec {
+  pname = "setuptools_scm";
+  version = "5.0.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-g6DO3TRJ45RjB4EaTHudicS1/UZKL7XuzNCluxWK5cg=";
+  };
+
+  propagatedBuildInputs = [ toml ];
+
+  # Requires pytest, circular dependency
+  doCheck = false;
+  pythonImportsCheck = [ "setuptools_scm" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/pypa/setuptools_scm/";
+    description = "Handles managing your python package versions in scm metadata";
+    license = licenses.mit;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}