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/icmplib/default.nix

@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pbr
+, pythonOlder
+, requests
+}:
+
+buildPythonPackage rec {
+  pname = "icmplib";
+  version = "3.0.3";
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "ValentinBELYN";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-EQyu7lV8F/U8cZklYYIMk9ut1FTcoBvGc8Ggx6JerDk=";
+  };
+
+  propagatedBuildInputs = [
+    pbr
+    requests
+  ];
+
+  # Project has no tests
+  doCheck = false;
+  pythonImportsCheck = [ "icmplib" ];
+
+  meta = with lib; {
+    description = "Python implementation of the ICMP protocol";
+    homepage = "https://github.com/ValentinBELYN/icmplib";
+    license = with licenses; [ lgpl3Plus ];
+    maintainers = with maintainers; [ fab ];
+  };
+}