Handle VM_PROT_NONE in nested page table code.

Submitted by:	Anish Gupta (akgupt3@gmail.com)
HLT_IGNORED stat is used by both vmx and svm -  move to common stats.

Submitted by:	Anish Gupta (akgupt3@gmail.com)
Add in last remaining files to get AMD-SVM operational.

Submitted by:	Anish Gupta (akgupt3@gmail.com)