Postpone vmm module initialization until after SMP is initialized - particularly
that 'smp_started != 0'.

This is required because the VT-x initialization calls smp_rendezvous()
to set the CR4_VMXE bit on all the cpus.

With this change we can preload vmm.ko from the loader.

Reported by: alfred@, sbruno@
Obtained from: NetApp