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/libraries/enchant/2.x.nix

@@ -0,0 +1,58 @@
+{ lib, stdenv
+, fetchurl
+, aspell
+, pkg-config
+, glib
+, hunspell
+, hspell
+, nuspell
+, unittest-cpp
+}:
+
+stdenv.mkDerivation rec {
+  pname = "enchant";
+  version = "2.3.2";
+
+  outputs = [ "out" "dev" ];
+
+  src = fetchurl {
+    url = "https://github.com/AbiWord/${pname}/releases/download/v${version}/${pname}-${version}.tar.gz";
+    sha256 = "sha256-zpukf9TTQDG9aURVmKaYpmEWArKw6R1wXpGm9QmerW4=";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  buildInputs = [
+    glib
+    hunspell
+    nuspell
+  ];
+
+  checkInputs = [
+    unittest-cpp
+  ];
+
+  # libtool puts these to .la files
+  propagatedBuildInputs = [
+    hspell
+    aspell
+  ];
+
+  enableParallelBuilding = true;
+
+  doCheck = true;
+
+  configureFlags = [
+    "--enable-relocatable" # needed for tests
+  ];
+
+  meta = with lib; {
+    description = "Generic spell checking library";
+    homepage = "https://abiword.github.io/enchant/";
+    license = licenses.lgpl21Plus; # with extra provision for non-free checkers
+    maintainers = with maintainers; [ jtojnar ];
+    platforms = platforms.unix;
+  };
+}