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/gnureadline/default.nix

@@ -0,0 +1,29 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPyPy
+, pkgs
+}:
+
+buildPythonPackage rec {
+  version = "8.0.0";
+  pname = "gnureadline";
+  disabled = isPyPy;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0xllr43dizvybmb68i0ybk1xhaqx5abjwxa9vrg43b9ds0pggvk1";
+  };
+
+  buildInputs = [ pkgs.ncurses ];
+  patchPhase = ''
+    substituteInPlace setup.py --replace "/bin/bash" "${pkgs.bash}/bin/bash"
+  '';
+
+  meta = with lib; {
+    description = "The standard Python readline extension statically linked against the GNU readline library";
+    homepage = "https://github.com/ludwigschwardt/python-gnureadline";
+    license = licenses.gpl3;
+  };
+
+}