Install Yosemite ISO on VMWare Workstation 11
Mac OS X EULA/SLA doesn't allow to run Mac OS X on non-Apple hardware.

VMware Workstation - usually running on non-Apple hardware - adheres to this restriction and doesn't allow offer the possibility to install Mac OS X (even if run in Bootcamp!).

Check sysprobs to get an impression how the OS X installation in VMware Workstation running in a Bootcamp environment on Apple hardware may work.