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/os-specific/linux/cpuset/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, fetchFromGitHub
+, fetchpatch
+, pythonPackages
+}:
+
+pythonPackages.buildPythonApplication rec {
+  pname = "cpuset";
+  version = "1.6";
+
+  propagatedBuildInputs = with pythonPackages; [
+    configparser
+    future
+  ];
+
+  # https://github.com/lpechacek/cpuset/pull/36
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/MawKKe/cpuset/commit/a4b6b275d0a43d2794ab9e82922d3431aeea9903.patch";
+      sha256 = "1mi1xrql81iczl67s4dk2rm9r1mk36qhsa19wn7zgryf95krsix2";
+    })
+  ];
+
+  makeFlags = [ "prefix=$(out)" ];
+
+  src = fetchFromGitHub {
+    owner = "lpechacek";
+    repo = "cpuset";
+    rev = "v${version}";
+    sha256 = "0ig0ml2zd5542d0989872vmy7cs3qg7nxwa93k42bdkm50amhar4";
+  };
+
+  checkPhase = ''
+    cd t
+    make
+  '';
+
+  meta = with lib; {
+    description = "Python application that forms a wrapper around the standard Linux filesystem calls to make using the cpusets facilities in the Linux kernel easier";
+    homepage    = "https://github.com/lpechacek/cpuset";
+    license     = licenses.gpl2;
+    maintainers = with maintainers; [ thiagokokada wykurz ];
+    mainProgram = "cset";
+  };
+}