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/compilers/owl-lisp/default.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv, fetchFromGitLab, which }:
+
+stdenv.mkDerivation rec {
+  pname = "owl-lisp";
+  version = "0.2";
+
+  src = fetchFromGitLab {
+    owner  = "owl-lisp";
+    repo   = "owl";
+    rev    = "v${version}";
+    sha256 = "sha256-G12yZxlq6Hss5j4Seq1hcPQWXMIeL2Z8VkBdmIGESX8=";
+  };
+
+  nativeBuildInputs = [ which ];
+
+  makeFlags = [ "PREFIX=${placeholder "out"}" "CC=${stdenv.cc.targetPrefix}cc" ];
+
+  # tests are run as part of the compilation process
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A functional Scheme for world domination";
+    homepage    = "https://gitlab.com/owl-lisp/owl";
+    license     = licenses.mit;
+    maintainers = with maintainers; [ peterhoeg ];
+    platforms   = platforms.unix;
+  };
+}