BugLink: http://bugs.launchpad.net/bugs/1591802

This CPUID leaf is available on Skylake:

CPUID(0x16): base_mhz: 1500 max_mhz: 2200 bus_mhz: 100
Signed-off-by: Len Brown <len.brown@intel.com>
(cherry picked from commit 61a87ba7)
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Acked-by: Brad Figg <brad.figg@canonical.com>
Acked-by: Kamal Mostafa <kamal@canonical.com>