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/lldpd/default.nix

@@ -0,0 +1,39 @@
+{ stdenv, lib, fetchurl, pkg-config, removeReferencesTo
+, libevent, readline, net-snmp, openssl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "lldpd";
+  version = "1.0.13";
+
+  src = fetchurl {
+    url = "https://media.luffy.cx/files/lldpd/${pname}-${version}.tar.gz";
+    sha256 = "sha256-1jmCf9iidyDRv9lLxS7KJK9j3cw8nS2mB4h3iInYRwE=";
+  };
+
+  configureFlags = [
+    "--localstatedir=/var"
+    "--enable-pie"
+    "--with-snmp"
+    "--with-systemdsystemunitdir=\${out}/lib/systemd/system"
+  ];
+
+  nativeBuildInputs = [ pkg-config removeReferencesTo ];
+  buildInputs = [ libevent readline net-snmp openssl ];
+
+  enableParallelBuilding = true;
+
+  outputs = [ "out" "dev" "man" "doc" ];
+
+  preFixup = ''
+    find $out -type f -exec remove-references-to -t ${stdenv.cc} '{}' +
+  '';
+
+  meta = with lib; {
+    description = "802.1ab implementation (LLDP) to help you locate neighbors of all your equipments";
+    homepage = "https://lldpd.github.io/";
+    license = licenses.isc;
+    maintainers = with maintainers; [ fpletz ];
+    platforms = platforms.linux;
+  };
+}