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/siege/default.nix

@@ -0,0 +1,42 @@
+{ lib
+, stdenv
+, fetchurl
+, openssl
+, zlib
+}:
+
+stdenv.mkDerivation rec {
+  pname = "siege";
+  version = "4.1.3";
+
+  src = fetchurl {
+    url = "http://download.joedog.org/siege/${pname}-${version}.tar.gz";
+    hash = "sha256-IlC8qPylOfGk5Mvluomv0yxHObL7xgx8phaNmngveQo=";
+  };
+
+  NIX_LDFLAGS = lib.optionalString stdenv.isLinux [
+    "-lgcc_s"
+  ];
+
+  buildInputs = [
+    openssl
+    zlib
+  ];
+
+  prePatch = ''
+    sed -i -e 's/u_int32_t/uint32_t/g' -e '1i#include <stdint.h>' src/hash.c
+  '';
+
+  configureFlags = [
+    "--with-ssl=${openssl.dev}"
+    "--with-zlib=${zlib.dev}"
+  ];
+
+  meta = with lib; {
+    description = "HTTP load tester";
+    homepage = "https://www.joedog.org/siege-home/";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ raskin ];
+    platforms = platforms.unix;
+  };
+}