arch-x86: Adds rdtscp flag to cpuid for X86KvmCPU

The rdtscp instruction is supported by gem5, so the X86KvmCPU
cpuid flags should be updated accordingly. Otherwise, KVM
needlessly crashes upon executing rdtscp.

Change-Id: If79017e60cbdf0757e929f07e56dba64322846bb
Signed-off-by: Kevin Loughlin <kevlough@umich.edu>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/41633
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed