cpufreq: Fix checkpatch errors and warnings
cpufreq: Fix checkpatch errors and warnings

Fix 2 checkpatch errors about using assignment in if condition,
1 checkpatch error about a required space after comma
and 3 warnings about line over 80 characters.

Signed-off-by: Stratos Karafotis <7d26b35203412f18a7dea4f8e1db1a75b1c5b706@semaphore.gr>
Acked-by: Viresh Kumar <5ff32272b3d9f86512eddc8e0af523fc6f7924e5@linaro.org>
Signed-off-by: Rafael J. Wysocki <27ffc44a8ec6a212fba98cfc3246c6ce8ab131e0@intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs