graphics/blender: sort out Makefile, pet portclippy
- Remove removed and add new added by ustream build options.
- Remove unused dependencies, unbundle EIGEN3 and LZO.
- Fix IMLIES - make same as in upstream's CMakeLists.txt.
- Make graphics/openimageio and graphics/tiff mandatory same as in upstream.
- Adjust allowed ARCHS and OPTIONS_DEFAULT_* for allowed ARCHS.
- Fix whitespaces in OPTIONS_DEFINE and OPTIONS_DEFAULT.
- Pet portclippy and other small changes.
PR: 279528
Approved by: Shane <FreeBSD@ShaneWare.Biz> (maintaner)