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/misc/haskell/hasura/pool.nix

@@ -0,0 +1,24 @@
+# This has been automatically generated by the script
+# ./update.sh.  This should not be changed by hand.
+{ mkDerivation, base, fetchgit, hashable, hspec, lib, monad-control
+, stm, time, transformers, transformers-base, vector
+}:
+mkDerivation {
+  pname = "resource-pool";
+  version = "0.2.3.2";
+  src = fetchgit {
+    url = "https://github.com/hasura/pool.git";
+    sha256 = "02wa32fl5wq5fk59id54xmxiqjl564r4rhsc79xsgf2j2spj0v94";
+    rev = "dc56753338e7b61220a09bed0469c6dcc5e9fb52";
+    fetchSubmodules = true;
+  };
+  libraryHaskellDepends = [
+    base hashable monad-control stm time transformers transformers-base
+    vector
+  ];
+  testHaskellDepends = [ base hspec ];
+  homepage = "http://github.com/bos/pool";
+  description = "A high-performance striped resource pooling implementation";
+  license = lib.licenses.bsd3;
+  maintainers = with lib.maintainers; [ lassulus ];
+}