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/openfec/default.nix

@@ -0,0 +1,40 @@
+{ stdenv, lib, fetchzip, cmake }:
+
+stdenv.mkDerivation rec {
+  pname = "openfec";
+  version = "1.4.2";
+
+  src = fetchzip {
+    url = "http://openfec.org/files/openfec_v1_4_2.tgz";
+    sha256 = "sha256:0c2lg8afr7lqpzrsi0g44a6h6s7nq4vz7yc9vm2k57ph2y6r86la";
+  };
+
+  outputs = [ "out" "dev" ];
+
+  nativeBuildInputs = [
+    cmake
+  ];
+
+  cmakeFlags = [ "-DDEBUG:STRING=OFF" ];
+
+  installPhase =
+    let so = stdenv.hostPlatform.extensions.sharedLibrary;
+    in ''
+      # This is pretty horrible but sadly there is not installation procedure
+      # provided.
+      mkdir -p $dev/include
+      cp -R ../src/* $dev/include
+      find $dev/include -type f -a ! -iname '*.h' -delete
+
+      install -D -m755 -t $out/lib ../bin/Release/libopenfec${so}
+      ln -s libopenfec${so} $out/lib/libopenfec${so}.1
+    '';
+
+  meta = with lib; {
+    description = "Application-level Forward Erasure Correction codes";
+    homepage = "https://github.com/roc-streaming/openfec";
+    license = licenses.cecill-c;
+    maintainers = with maintainers; [ bgamari ];
+    platforms = platforms.unix;
+  };
+}