msm: IDLE_TIMER wakes up waiting processes
msm: IDLE_TIMER wakes up waiting processes

The msm_idle_stats_update_event() function is now a public function.
In case of IDLE_TIMER expiry, kgsl calls this function to immediately
wake up waiting processes.

Change-Id: Ia259d10e08deea71db047d8091cc97066fba3c1c
Signed-off-by: Lynus Vaz <lvaz@codeaurora.org>
(cherry picked from commit bdb0c07e65cad13deea5d187ad553cc9782c620d)

Conflicts:

	arch/arm/mach-msm/idle_stats_device.c
	drivers/gpu/msm/kgsl_pwrscale_idlestats.c

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas