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/tools/git-repo-updater/default.nix

@@ -0,0 +1,25 @@
+{ lib, buildPythonApplication, fetchPypi
+, colorama, GitPython }:
+
+buildPythonApplication rec {
+  pname = "gitup";
+  version = "0.5.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1pa612rcc94nc461zs9sag9p46sycc214622b06gdn35rmwp0y2g";
+  };
+
+  propagatedBuildInputs = [ colorama GitPython ];
+
+  # no tests
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Easily update multiple Git repositories at once";
+    homepage = "https://github.com/earwig/git-repo-updater";
+    license = licenses.mit;
+    maintainers = [ maintainers.bdesham ];
+    platforms = platforms.all;
+  };
+}