cpufreq: ondemand: Use hotplug thread infrastructure

The dbs_sync threads caused considerable load, even when ondemand
wasn't even active. Use the hotplug thread infrastructure to park
the threads.

Change-Id: I8e2c780e3f00b73edc0337e01c226386146e0fd4

Conflicts:
	drivers/cpufreq/cpufreq_ondemand.c
Add my Hotplug driver.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mako_hotplug: we can live with 80% threshold.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mako_hotplug: we can now cap max freq to 1GHz on screen off.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mako_hotplug: without updating the policy nothing actually happened.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mako_hotplug: make sure the notifier does not go through for every damn CPUFREQ_ADJUST otherwise it's a mess.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mako_hotplug: lets try this fix for the crippling sound when changing networks.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mako_hotplug: minor code optimisations.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mako_hotplug: small fix to make sure we don't try to cpu_up(x) if x is alread online.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
msm: mdss: Adding lcd notifier

Supports notifier for start&end of LCD power on&off

Change-Id: Idaa685a2c554286da5f764519305d830c4d1a1bd
Signed-off-by: Se Hun Kim <sean2.kim@lge.com>
Signed-off-by: Jongrak Kwon <jongrak.kwon@lge.com>
Signed-off-by: Devin Kim <dojip.kim@lge.com>
Signed-off-by: MassStash <MassStash@gmail.com>

Conflicts:
	drivers/video/msm/mdss/Makefile