cpufreq: Create a helper function to get CPU utilization

Use the new cpufreq_quick_get_util function in dyn_hotplug driver

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
mach-msm: dyn_hotplug: Check if CPU is online/offline before hotplug

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
mach-msm: dyn_hotplug: Add new line in pr_debug

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
cpufreq: Increase utilization threshold to 25

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>

Conflicts:

	drivers/cpufreq/cpufreq.c