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/coq-modules/smtcoq/default.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv, mkCoqDerivation, coq, trakt, cvc4, veriT, version ? null }:
+with lib;
+
+mkCoqDerivation {
+  pname = "smtcoq";
+  owner = "smtcoq";
+
+  release."itp22".rev    = "1d60d37558d85a4bfd794220ec48849982bdc979";
+  release."itp22".sha256 = "sha256-CdPfgDfeJy8Q6ZlQeVCSR/x8ZlJ2kSEF6F5UnAespnQ=";
+
+  inherit version;
+  defaultVersion = with versions; switch coq.version [
+    { case = isEq "8.13"; out = "itp22"; }
+  ] null;
+
+  propagatedBuildInputs = [ trakt cvc4 ]
+    ++ lib.optionals (!stdenv.isDarwin) [ veriT ]
+    ++ (with coq.ocamlPackages; [ num zarith ]);
+  mlPlugin = true;
+  nativeBuildInputs = with coq.ocamlPackages; [ ocamlbuild ];
+
+  meta = {
+    description = "Communication between Coq and SAT/SMT solvers ";
+    maintainers = with maintainers; [ siraben ];
+    license = licenses.cecill-b;
+    platforms = platforms.unix;
+  };
+}