The XFree86-4-Server Makefile wrongly sets PLIST_SUB for amd64 and i386, thus some drivers are missing from generated plist and, more importantly from packages. The attached patch fixes this. I'm sorry I missed this upon upgrading ports.
Responsible Changed From-To: freebsd-ports-bugs->x11 Over to maintainers.
State Changed From-To: open->closed Close my PR after commiting patch.