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/tools/security/flare-floss/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, python3
+, fetchFromGitHub
+}:
+
+python3.pkgs.buildPythonPackage rec {
+  pname = "flare-floss";
+  version = "1.7.0";
+
+  src = fetchFromGitHub {
+    owner = "fireeye";
+    repo = "flare-floss";
+    rev = "v${version}";
+    sha256 = "GMOA1+qM2A/Qw33kOTIINEvjsfqjWQWBXHNemh3IK8w=";
+  };
+
+  propagatedBuildInputs = with python3.pkgs; [
+    pyyaml
+    simplejson
+    tabulate
+    vivisect
+    plugnplay
+    viv-utils
+  ];
+
+  checkInputs = with python3.pkgs; [
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # test data is in a submodule
+    "test_main"
+  ];
+
+  pythonImportsCheck = [
+    "floss"
+    "floss.plugins"
+  ];
+
+  meta = with lib; {
+    description = "Automatically extract obfuscated strings from malware";
+    homepage = "https://github.com/fireeye/flare-floss";
+    license = licenses.asl20;
+    maintainers = teams.determinatesystems.members;
+  };
+}