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/eradicate/default.nix

@@ -0,0 +1,19 @@
+{ lib, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "eradicate";
+  version = "2.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "27434596f2c5314cc9b31410c93d8f7e8885747399773cd088d3adea647a60c8";
+  };
+
+  meta = with lib; {
+    description = "eradicate removes commented-out code from Python files.";
+    homepage = "https://github.com/myint/eradicate";
+    license = [ licenses.mit ];
+
+    maintainers = [ maintainers.mmlb ];
+  };
+}