KVM: Enable DRNG feature support for KVM
KVM: Enable DRNG feature support for KVM

This patch exposes DRNG feature to KVM guests.

The RDRAND instruction can provide software with sequences of
random numbers generated from white noise.

Signed-off-by: Yang, Wei <4e8aac3707a8d36ce02b3f78170ca8f0b0352d73@intel.com>
Signed-off-by: Avi Kivity <8f920f22884d6fea9df883843c4a8095a2e5ac6f@redhat.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas