defconfig: enable Kernel Samepage Merging(KSM)

Signed-off-by: Dan Trifan <jimsth@gmail.com>

Conflicts:
	arch/arm/configs/tuna_defconfig
governors/menu.c: Reduce nr_iowait_cpu to 2 for Idle

Signed-off-by: Dan Trifan <jimsth@gmail.com>
cpufreq: interactive: proper touch boost implementation

credits: Francisco Franco <franciscofranco.1990@gmail.com>

Signed-off-by: Dan Trifan <jimsth@gmail.com>

Conflicts:
	drivers/cpufreq/cpufreq_interactive.c
	drivers/input/touchscreen/mms_ts.c