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/tools/misc/texinfo/4.13a.nix

@@ -0,0 +1,19 @@
+{ stdenv, fetchurl, texinfo, ncurses, xz }:
+
+stdenv.mkDerivation rec {
+  pname = "texinfo";
+  version = "4.13a";
+
+  src = fetchurl {
+    url = "mirror://gnu/texinfo/${pname}-${version}.tar.lzma";
+    sha256 = "1rf9ckpqwixj65bw469i634897xwlgkm5i9g2hv3avl6mv7b0a3d";
+  };
+
+  buildInputs = [ ncurses ];
+  nativeBuildInputs = [ xz ];
+
+  # Disabled because we don't have zdiff in the stdenv bootstrap.
+  #doCheck = true;
+
+  meta = texinfo.meta // { branch = version; };
+}