cpu: Fix leftovers from the P state cpu frequency calculation

The commit 15b8bfb ("Ignore non-P-state-enabled CPUs when calculating
frequency") and 29f42b5 ("fixed issues with p-state reported CPU
frequencies") fixed frequency calculation for cpu packages but missed
it for cpu cores.  Add it.

This fixes wrong frequency report on my quad-core box: 2072.5% -> 100.0%

Cc: Ivan Shapovalov <intelfx100@gmail.com>
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
2 files changed