message: fix interpretation of hypervisor_info
  frequency is delivered in KHz (and not Hz)
  fix conversion to MhZ
diff: @@ -17,6 +17,7 @@ use crate::x86::cpuid::*;
  use crate::x86::msr::*;
  use core::arch::x86_64::__rdtscp as rdtscp;
  use core::arch::x86_64::_rdtsc as rdtsc;
  +use core::convert::TryInto;
  use core::sync::atomic::spin_loop_hint;
  use core::{fmt, u32};
  @@ -279,9 +280,11 @@ impl CpuFrequency {
  }
  unsafe fn detect_from_cpuid_hypervisor_info(&mut self, cpuid: &CpuId) -> Result<(), ()> {
  + const KHZ_TO_HZ: u64 = 1000;
  + const MHZ_TO_HZ: u64 = 1000000;
  let hypervisor_info = cpuid.get_hypervisor_info().ok_or(())?;
  - let freq = hypervisor_info.tsc_frequency().ok_or(())?;
  - let mhz = (freq / 1000000u32) as u16;
  + let freq = hypervisor_info.tsc_frequency().ok_or(())? as u64 * KHZ_TO_HZ;
  + let mhz: u16 = (freq / MHZ_TO_HZ).try_into().unwrap();
  self.set_detected_cpu_frequency(mhz, CpuFrequencySources::HypervisorTscInfo)
  }
  