cpufreq: make the "scaling_cur_freq" sysfs entry pollable

Wakeup userspace poll on change of cpu frequency. The userspace
may then take action to change the power/performance
characteristics of the device.

Change-Id: I3030b22084fe7e0143b978a198ddcc579e7d6e83
Signed-off-by: Amar Singhal <asinghal@codeaurora.org>
UPDATED GT-I9300_JB_Opensource_Update8 kernel files
synced GM MMC driver
	modified:   drivers/media/video/samsung/fimc/fimc_output.c
Updated Samsung's CMA sources to the memory management changes introduced in 3.0.39
Revert "Updated Samsung's CMA sources to the memory management changes introduced in 3.0.39"

This reverts commit abfb5b24037a4b39c0f1f9ed5c15b2207117bd07.
syntax error fixing
added more userspace memory (fixed HW video decoder error)
Merge remote branch 'halaszk/master-3.0.31' into master-3.0.31