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/data/misc/combinatorial_designs/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv
+, fetchurl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "combinatorial_designs";
+  version = "20140630";
+
+  src = fetchurl {
+    url = "mirror://sageupstream/combinatorial_designs/combinatorial_designs-${version}.tar.bz2";
+    sha256 = "0bj8ngiq59hipa6izi6g5ph5akmy4cbk0vlsb0wa67f7grnnqj69";
+  };
+
+  installPhase = ''
+    mkdir -p "$out/share/combinatorial_designs"
+    mv * "$out/share/combinatorial_designs"
+  '';
+
+  meta = with lib; {
+    description = "Data for Combinatorial Designs";
+    longDescription = ''
+      Current content:
+
+      - The table of MOLS (10 000 integers) from the Handbook of Combinatorial
+        Designs, 2ed.
+    '';
+    license = licenses.publicDomain;
+    platforms = platforms.all;
+    maintainers = teams.sage.members;
+  };
+}