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/asio/generic.nix

@@ -0,0 +1,27 @@
+{lib, stdenv, fetchurl, boost, openssl
+, version, sha256, ...
+}:
+
+with lib;
+
+stdenv.mkDerivation {
+  pname = "asio";
+  inherit version;
+
+  src = fetchurl {
+    url = "mirror://sourceforge/asio/asio-${version}.tar.bz2";
+    inherit sha256;
+  };
+
+  propagatedBuildInputs = [ boost ];
+
+  buildInputs = [ openssl ];
+
+  meta = {
+    homepage = "http://asio.sourceforge.net/";
+    description = "Cross-platform C++ library for network and low-level I/O programming";
+    license = licenses.boost;
+    broken = stdenv.isDarwin && lib.versionOlder version "1.16.1";
+    platforms = platforms.unix;
+  };
+}