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/p0f/default.nix

@@ -0,0 +1,41 @@
+{ lib, stdenv, fetchurl, libpcap, bash }:
+
+stdenv.mkDerivation rec {
+  pname = "p0f";
+  version = "3.09b";
+
+  src = fetchurl {
+    url    = "http://lcamtuf.coredump.cx/p0f3/releases/${pname}-${version}.tgz";
+    sha256 = "0zqfq3gdnha29ckvlqmyp36c0jhj7f69bhqqx31yb6vkirinhfsl";
+  };
+
+  buildInputs = [ libpcap ];
+
+  buildPhase = ''
+    substituteInPlace config.h --replace "p0f.fp" "$out/etc/p0f.fp"
+    substituteInPlace build.sh --replace "/bin/bash" "${bash}/bin/bash"
+    ./build.sh
+    cd tools && make && cd ..
+  '';
+
+  installPhase = ''
+    mkdir -p $out/sbin $out/etc
+
+    cp ./p0f                $out/sbin
+    cp ./p0f.fp             $out/etc
+
+    cp ./tools/p0f-client   $out/sbin
+    cp ./tools/p0f-sendsyn  $out/sbin
+    cp ./tools/p0f-sendsyn6 $out/sbin
+  '';
+
+  hardeningDisable = [ "format" ];
+
+  meta = {
+    description = "Passive network reconnaissance and fingerprinting tool";
+    homepage    = "https://lcamtuf.coredump.cx/p0f3/";
+    license     = lib.licenses.lgpl21;
+    platforms   = lib.platforms.linux;
+    maintainers = [ lib.maintainers.thoughtpolice ];
+  };
+}