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/Rtree/default.nix

@@ -0,0 +1,38 @@
+{ lib,
+  stdenv,
+  buildPythonPackage,
+  fetchPypi,
+  libspatialindex,
+  numpy,
+  pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "Rtree";
+  version = "0.9.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "be8772ca34699a9ad3fb4cfe2cfb6629854e453c10b3328039301bbfc128ca3e";
+  };
+
+  buildInputs = [ libspatialindex ];
+
+  patchPhase = ''
+    substituteInPlace rtree/finder.py --replace \
+      "find_library('spatialindex_c')" "'${libspatialindex}/lib/libspatialindex_c${stdenv.hostPlatform.extensions.sharedLibrary}'"
+  '';
+
+  checkInputs = [
+    numpy
+    pytestCheckHook
+  ];
+  pythonImportsCheck = [ "rtree" ];
+
+  meta = with lib; {
+    description = "R-Tree spatial index for Python GIS";
+    homepage = "https://toblerity.org/rtree/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ bgamari ];
+  };
+}