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/networking/drill/default.nix

@@ -0,0 +1,42 @@
+{ lib
+, stdenv
+, rustPlatform
+, fetchFromGitHub
+, pkg-config
+, openssl
+, Security
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "drill";
+  version = "0.7.2";
+
+  src = fetchFromGitHub {
+    owner = "fcsonline";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-LqqtSmmXr48jB7HyWi954fDNKOynEpQupGYl7QbXUAI=";
+  };
+
+  cargoSha256 = "sha256-SUF/gDy9t2B5N234HZHxMl0Hc0GrVUBw3xeI43c++Nc=";
+
+  nativeBuildInputs = lib.optionals stdenv.isLinux [
+    pkg-config
+  ];
+
+  OPENSSL_LIB_DIR = "${lib.getLib openssl}/lib";
+  OPENSSL_DIR="${lib.getDev openssl}";
+
+  buildInputs = lib.optionals stdenv.isLinux [
+    openssl
+  ] ++ lib.optionals stdenv.isDarwin [
+    Security
+  ];
+
+  meta = with lib; {
+    description = "HTTP load testing application inspired by Ansible syntax";
+    homepage = "https://github.com/fcsonline/drill";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ Br1ght0ne ];
+  };
+}