KVM: VMX: clean up declaration of VPID/EPT invalidation types

 - Remove VMX_EPT_EXTENT_INDIVIDUAL_ADDR, since there is no such type of
   EPT invalidation

 - Add missing VPID types names

Signed-off-by: Jan Dakinevich <jan.dakinevich@gmail.com>
Tested-by: Ladi Prosek <lprosek@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>