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/osqp/default.nix

@@ -0,0 +1,56 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, cmake
+, future
+, numpy
+, qdldl
+, setuptools-scm
+, scipy
+# check inputs
+, pytestCheckHook
+, cvxopt
+}:
+
+buildPythonPackage rec {
+  pname = "osqp";
+  version = "0.6.2.post5";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "b2fa17aae42a7ed498ec261b33f262bb4b3605e7e8464062159d9fae817f0d61";
+  };
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [ cmake setuptools-scm ];
+  dontUseCmakeConfigure = true;
+
+  propagatedBuildInputs = [
+    future
+    numpy
+    qdldl
+    scipy
+  ];
+
+  pythonImportsCheck = [ "osqp" ];
+  checkInputs = [ pytestCheckHook cvxopt ];
+  disabledTests = [
+    "mkl_"
+  ];
+
+  meta = with lib; {
+    description = "The Operator Splitting QP Solver";
+    longDescription = ''
+      Numerical optimization package for solving problems in the form
+        minimize        0.5 x' P x + q' x
+        subject to      l <= A x <= u
+
+      where x in R^n is the optimization variable
+    '';
+    homepage = "https://osqp.org/";
+    downloadPage = "https://github.com/oxfordcontrol/osqp-python/releases";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ drewrisinger ];
+  };
+}