cpufreq: Add CPUFREQ_STOP notification when cpu offline

Add a CPUFREQ_STOP notification to let devfreq update status
when cpufreq done cpu offline actions.

Change-Id: I11e183c4dd4c40786a8f7c128874599bd6cb2263
Signed-off-by: Maria Yu <aiquny@codeaurora.org>
2 files changed