graphics/opencolorio: update to a newer github commit
- Add support for FLAVORS.
- Update to commit 67e455b97e - this includes six of our patch files. Remove patches as per above
- Add indirect dependancies
PR:		224380
Submitted by:	FreeBSD@ShaneWare.Biz (maintainer)
Changes:	https://github.com/imageworks/OpenColorIO/commits/master