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/text/zimwriterfs/default.nix

@@ -0,0 +1,43 @@
+{ lib, stdenv
+, fetchFromGitHub
+
+, autoconf
+, automake
+, libtool
+, pkg-config
+
+, file
+, icu
+, gumbo
+, xz
+, xapian
+, zimlib
+, zlib
+}:
+
+stdenv.mkDerivation rec {
+  pname = "zimwriterfs";
+  version = "1.0";
+
+  src = fetchFromGitHub {
+    owner = "wikimedia";
+    repo = "openzim";
+    rev = "${pname}-${version}";
+    sha256 = "1vkrrq929a8s3m5rri1lg0l2vd0mc9n2fsb2z1g88k4n4j2l6f19";
+  };
+
+  nativeBuildInputs = [ automake autoconf libtool pkg-config ];
+  buildInputs = [ file icu gumbo xz zimlib zlib xapian ];
+  setSourceRoot = ''
+    sourceRoot=$(echo */zimwriterfs)
+  '';
+  preConfigure = "./autogen.sh";
+
+  meta = {
+    description = "A console tool to create ZIM files";
+    homepage = "http://git.wikimedia.org/log/openzim";
+    maintainers = with lib.maintainers; [ robbinch ];
+    license = lib.licenses.gpl3;
+    platforms = with lib.platforms; [ linux ];
+  };
+}