message: print message if the processor supports x2apic
diff: @@ -507,6 +507,9 @@ impl fmt::Display for CpuFeaturePrinter {
  if self.feature_info.has_tsc_deadline() {
  write!(f, "TSC-DEADLINE ")?;
  }
  + if self.feature_info.has_x2apic() {
  + write!(f, "X2APIC ")?;
  + }
  if self.extended_feature_info.has_avx2() {
  write!(f, "AVX2 ")?;
  