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/libraries/libnest2d/default.nix

@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchFromGitHub, cmake, clipper, nlopt, boost, python3 }:
+
+stdenv.mkDerivation rec {
+  version = "4.12.0";
+  pname = "libnest2d";
+
+  # This revision is waiting to be merged upstream
+  # Once it has been merged, this should be switched to it
+  # Upstream PR: https://github.com/tamasmeszaros/libnest2d/pull/18
+  src = fetchFromGitHub {
+    owner = "Ultimaker";
+    repo = "libnest2d";
+    rev = "31391fd173249ad9b906390058e13b09238fadc8";
+    sha256 = "1hzqi4z55x76rss3xk7hfqhy9hcaq2jaav5jqxa1aqmbvarr2gla";
+  };
+
+  propagatedBuildInputs = [ clipper nlopt boost ];
+  nativeBuildInputs = [ cmake ];
+
+  CLIPPER_PATH = "${clipper.out}";
+  cmakeFlags = [ "-DLIBNEST2D_HEADER_ONLY=OFF" ];
+
+  meta = with lib; {
+    description =
+      "2D irregular bin packaging and nesting library written in modern C++";
+    homepage = "https://github.com/Ultimaker/libnest2d";
+    license = licenses.lgpl3;
+    platforms = platforms.all;
+  };
+}