KVM: nVMX: Decoding memory operands of VMX instructions

This patch includes a utility function for decoding pointer operands of VMX
instructions issued by L1 (a guest hypervisor)

Signed-off-by: Nadav Har'El <nyh@il.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

diff --cc arch/x86/kvm/vmx.c
Simple merge

diff --cc arch/x86/kvm/x86.c
Simple merge

diff --cc arch/x86/kvm/x86.h
Simple merge