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/ocaml-modules/lens/default.nix

@@ -0,0 +1,30 @@
+{ lib, fetchFromGitHub, ppx_deriving, ppxlib, buildDunePackage, ounit }:
+
+buildDunePackage rec {
+  pname = "lens";
+  version = "1.2.5";
+
+  useDune2 = true;
+
+  src = fetchFromGitHub {
+    owner = "pdonadeo";
+    repo = "ocaml-lens";
+    rev = "v${version}";
+    sha256 = "1k23n7pa945fk6nbaq6nlkag5kg97wsw045ghz4gqp8b9i2im3vn";
+  };
+
+  minimalOCamlVersion = "4.10";
+  buildInputs = [ ppx_deriving ppxlib ];
+
+  doCheck = true;
+  checkInputs = [ ounit ];
+
+  meta = with lib; {
+    homepage = "https://github.com/pdonadeo/ocaml-lens";
+    description = "Functional lenses";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [
+      kazcw
+    ];
+  };
+}