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/system/fdisk/default.nix

@@ -0,0 +1,30 @@
+{ fetchurl, lib, stdenv, parted, libuuid, gettext, guile }:
+
+stdenv.mkDerivation rec {
+  pname = "gnufdisk";
+  version = "2.0.0a"; # .0a1 seems broken, see https://lists.gnu.org/archive/html/bug-fdisk/2012-09/msg00000.html
+
+  src = fetchurl {
+    url = "mirror://gnu/fdisk/gnufdisk-${version}.tar.gz";
+    sha256 = "04nd7civ561x2lwcmxhsqbprml3178jfc58fy1v7hzqg5k4nbhy3";
+  };
+
+  buildInputs = [ parted libuuid gettext guile ];
+
+  doCheck = true;
+
+  meta = {
+    description = "A command-line disk partitioning tool";
+
+    longDescription = ''
+      GNU fdisk provides alternatives to util-linux fdisk and util-linux
+      cfdisk.  It uses GNU Parted.
+    '';
+
+    license = lib.licenses.gpl3Plus;
+
+    homepage = "https://www.gnu.org/software/fdisk/";
+
+    platforms = lib.platforms.linux;
+  };
+}