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/contexter/default.nix

@@ -0,0 +1,14 @@
+{ lib, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "contexter";
+  version = "0.1.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "c730890b1a915051414a6350d8ea1cddca7d01d8f756badedb30b9bf305ea0a8";
+  };
+
+  meta = with lib; {
+  };
+}