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/gtkspellmm/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchurl
+, pkg-config
+, gtk3, glib, glibmm, gtkmm3, gtkspell3
+}:
+
+stdenv.mkDerivation rec {
+  pname = "gtkspellmm";
+  version = "3.0.5";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/project/gtkspell/gtkspellmm/" +
+          "${pname}-${version}.tar.xz";
+    sha256 = "0i8mxwyfv5mskachafa4qlh315q0cfph7s66s1s34nffadbmm1sv";
+  };
+
+  propagatedBuildInputs = [
+    gtkspell3
+  ];
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [
+    gtk3 glib glibmm gtkmm3
+  ];
+
+  meta = with lib; {
+    description = "C++ binding for the gtkspell library";
+    homepage = "http://gtkspell.sourceforge.net/";
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+  };
+}