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/misc/ytree/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv
+, fetchurl
+, ncurses
+, readline
+}:
+
+stdenv.mkDerivation rec {
+  pname = "ytree";
+  version = "2.04";
+
+  src = fetchurl {
+    url = "https://han.de/~werner/${pname}-${version}.tar.gz";
+    sha256 = "sha256-bnqLf2jv5tNlq+M6HQbXOa2F8io9VN3QrsJKNHjWZkI=";
+  };
+
+  buildInputs = [
+    ncurses
+    readline
+  ];
+
+  # don't save timestamp, in order to improve reproducibility
+  postPatch = ''
+    substituteInPlace Makefile --replace 'gzip' 'gzip -n'
+  '';
+
+  installFlags = [ "DESTDIR=${placeholder "out"}" ];
+
+  preInstall = ''
+    mkdir -p $out/bin $out/share/man/man1
+  '';
+
+  meta = with lib; {
+    description = "A curses-based file manager similar to DOS Xtree(TM)";
+    homepage = "https://www.han.de/~werner/ytree.html";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ AndersonTorres ];
+    platforms = with platforms; unix;
+  };
+}
+# TODO: X11 support