sap_vm_provision/kubevirt_vm: Make usage of hugepages configurable

[newkit]

This addresses the enhancement described here:

When creating a VM, currently the usage of hugepages is mandatory, see here.

Let's add a flag in to the VM definition to switch off the usage of hugepages:

sap_vm_provision_kubevirt_vm_host_specifications_dictionary:
  example_host_specification_plan:
    host1: # Hostname, must be 13 characters or less
      # SMT-2 (i.e. 2 CPU Threads per CPU Core) is default for Intel CPU Hyper-Threading, optionally can be altered to SMT-1
      kubevirt_vm_cpu_smt: 2
      kubevirt_vm_cpu_cores: 2
      kubevirt_vm_memory_gib: 24
      hugepages: false # false | 1Gi | <hugepage size> 

When omitted / by default hugepages should be on to be backwards compatible.

[marcelmamula]

Review done with few changes to be made

[marcelmamula]

Last name change before LGTM