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/measurement/default.nix

@@ -0,0 +1,31 @@
+{ lib, fetchFromGitHub, buildPythonPackage, isPy3k
+, sympy, pytest, pytest-runner, sphinx, setuptools-scm }:
+
+buildPythonPackage rec {
+  pname = "measurement";
+  version = "3.2.0";
+
+  disabled = !isPy3k;
+
+  src = fetchFromGitHub {
+    owner = "coddingtonbear";
+    repo = "python-measurement";
+    rev = version;
+    sha256 = "1mk9qg1q4cnnipr6xa72i17qvwwhz2hd8p4vlsa9gdzrcv4vr8h9";
+  };
+
+  postPatch = ''
+    sed -i 's|use_scm_version=True|version="${version}"|' setup.py
+  '';
+
+  checkInputs = [ pytest pytest-runner ];
+  nativeBuildInputs = [ sphinx setuptools-scm ];
+  propagatedBuildInputs = [ sympy ];
+
+  meta = with lib; {
+    description = "Use and manipulate unit-aware measurement objects in Python";
+    homepage = "https://github.com/coddingtonbear/python-measurement";
+    license = licenses.mit;
+    maintainers = with maintainers; [ bhipple ];
+  };
+}