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/setuptools-git/default.nix

@@ -0,0 +1,25 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pkgs
+}:
+
+buildPythonPackage rec {
+  pname = "setuptools-git";
+  version = "1.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "ff64136da01aabba76ae88b050e7197918d8b2139ccbf6144e14d472b9c40445";
+  };
+
+  propagatedBuildInputs = [ pkgs.git ];
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Setuptools revision control system plugin for Git";
+    homepage = "https://pypi.python.org/pypi/setuptools-git";
+    license = licenses.bsd3;
+  };
+
+}