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/loopy/default.nix

@@ -0,0 +1,55 @@
+{ lib
+, buildPythonPackage
+, codepy
+, cgen
+, colorama
+, fetchFromGitHub
+, genpy
+, islpy
+, mako
+, numpy
+, pymbolic
+, pyopencl
+, pyrsistent
+, pythonOlder
+, pytools
+}:
+
+buildPythonPackage rec {
+  pname = "loopy";
+  version = "2020.2.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "inducer";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-GL2GY3fbP9yMEQYyuh4CRHpeN9DGnZxbMt6jC+O/C0g=";
+  };
+
+  propagatedBuildInputs = [
+    codepy
+    cgen
+    colorama
+    genpy
+    islpy
+    mako
+    numpy
+    pymbolic
+    pyopencl
+    pyrsistent
+    pytools
+  ];
+
+  # pyopencl._cl.LogicError: clGetPlatformIDs failed: PLATFORM_NOT_FOUND_KHR
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A code generator for array-based code on CPUs and GPUs";
+    homepage = "https://github.com/inducer/loopy";
+    license = licenses.mit;
+    maintainers = with maintainers; [ costrouc ];
+  };
+}