Max screen off frequency and shut down cores while screen is off

Signed-off-by: flar2 <asegaert@gmail.com>

Conflicts:

	arch/arm/mach-msm/Kconfig
Change msm-sleeper to use lcd-notifier

Signed-off-by: flar2 <asegaert@gmail.com>
Add sysfs entry for max screen off frequency

Signed-off-by: flar2 <asegaert@gmail.com>
Change default max screen off frequency to 1190400

Signed-off-by: flar2 <asegaert@gmail.com>
defconfig: enable MSM_SLEEPER