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/scs/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, blas
+, lapack
+, numpy
+, scipy
+  # check inputs
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "scs";
+  version = "3.0.0";
+
+  src = fetchFromGitHub {
+    owner = "bodono";
+    repo = "scs-python";
+    rev = version;
+    sha256 = "sha256-7OgqCo21S0FDev8xv6/8iGFXg8naVi93zd8v1f9iaWw=";
+    fetchSubmodules = true;
+  };
+
+  buildInputs = [
+    lapack
+    blas
+  ];
+
+  propagatedBuildInputs = [
+    numpy
+    scipy
+  ];
+
+  checkInputs = [ pytestCheckHook ];
+  pythonImportsCheck = [ "scs" ];
+
+  meta = with lib; {
+    description = "Python interface for SCS: Splitting Conic Solver";
+    longDescription = ''
+      Solves convex cone programs via operator splitting.
+      Can solve: linear programs (LPs), second-order cone programs (SOCPs), semidefinite programs (SDPs),
+      exponential cone programs (ECPs), and power cone programs (PCPs), or problems with any combination of those cones.
+    '';
+    homepage = "https://github.com/cvxgrp/scs"; # upstream C package
+    downloadPage = "https://github.com/bodono/scs-python";
+    license = licenses.mit;
+    maintainers = with maintainers; [ drewrisinger ];
+  };
+}