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/servers/ttyd/default.nix

@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchFromGitHub
+, pkg-config, cmake, xxd
+, openssl, libwebsockets, json_c, libuv, zlib
+}:
+
+with builtins;
+
+stdenv.mkDerivation rec {
+  pname = "ttyd";
+  version = "1.6.3";
+  src = fetchFromGitHub {
+    owner = "tsl0922";
+    repo = pname;
+    rev = "refs/tags/${version}";
+    sha256 = "ErWd99js2EldkRNWFdgZw/X3DIz266kM3lLlC34Deno=";
+  };
+
+  nativeBuildInputs = [ pkg-config cmake xxd ];
+  buildInputs = [ openssl libwebsockets json_c libuv zlib ];
+
+  outputs = [ "out" "man" ];
+
+  meta = {
+    description = "Share your terminal over the web";
+    homepage    = "https://github.com/tsl0922/ttyd";
+    license     = lib.licenses.mit;
+    maintainers = [ lib.maintainers.thoughtpolice ];
+    platforms   = lib.platforms.all;
+  };
+}