i386/cpu: Hoist check of CPUID_EXT3_TOPOEXT against threads_per_core

Now it changes to use env->topo_info.threads_per_core and doesn't depend
on qemu_init_vcpu() anymore.  Put it together with other feature checks
before qemu_init_vcpu()

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20241219110125.1266461-8-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed