cpufreq: interactive: Optimize sync_freq implementation

Don't let frequency drop below sync_freq if either load or
frequency among other cpus is above a certain threshold,
not necessarily both.

Change-Id: Iada28e08e812498e16d5189b309a7314f88814dd
LCD_KCAL: Color Control driver for Nexus 5

Conflicts:
	drivers/video/msm/mdss/mdss_mdp_pp.c

Enable LCD_KCAL

Change-Id: Icea713b84ccf5dc87cd80eafd7363deffb438565
Signed-off-by: Lorenzo M <djmesias@yahoo.es>
Adjusting defconfig to remove some unused governor and io scheduler also
to turn off some kernel log
TCP_CONG_WESTWOOD as default
FIOPS as default scheduler