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/libraries/libivykis/default.nix

@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchurl, autoreconfHook, pkg-config, file, protobufc }:
+
+stdenv.mkDerivation rec {
+  pname = "libivykis";
+
+  version = "0.42.4";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/libivykis/${version}/ivykis-${version}.tar.gz";
+    sha256 = "0abi0rc3wnncvr68hy6rmzp96x6napd7fs1mff20dr8lb0jyvy3f";
+  };
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
+  buildInputs = [ file protobufc ];
+
+  meta = with lib; {
+    homepage = "http://libivykis.sourceforge.net/";
+    description = ''
+      A thin wrapper over various OS'es implementation of I/O readiness
+      notification facilities
+    '';
+    license = licenses.zlib;
+    maintainers = [];
+    platforms = platforms.linux;
+  };
+}