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/urwidtrees/default.nix

@@ -0,0 +1,38 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, glibcLocales
+, urwid
+, fetchpatch
+}:
+
+buildPythonPackage rec {
+  pname = "urwidtrees";
+  version  = "1.0.3";
+
+  src = fetchFromGitHub {
+    owner = "pazz";
+    repo = "urwidtrees";
+    rev = version;
+    sha256 = "sha256-yGSjwagCd5TiwEFtF6ZhDuVqj4PTa5pVXhs8ebr2O/g=";
+  };
+
+  propagatedBuildInputs = [ urwid ];
+
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/pazz/urwidtrees/commit/ed39dbc4fc67b0e0249bf108116a88cd18543aa9.patch";
+    sha256 = "sha256-fA+30d2uVaoNCg4rtoWLNPvrZtq41Co4vcmM80hkURs=";
+    })
+  ];
+
+  checkInputs = [ glibcLocales ];
+  LC_ALL="en_US.UTF-8";
+
+  meta = with lib; {
+    description = "Tree widgets for urwid";
+    homepage = "https://github.com/pazz/urwidtrees";
+    license = licenses.gpl3;
+  };
+
+}