gcc: add Compiler optimizations config options
gcc: add use CCACHE config option
add Linaro optimizations

Conflicts:
	Makefile
tweak Linaro optimizations
linaro optimizations

Conflicts:
	arch/arm/Makefile
	arch/arm/vfp/Makefile
add Linaro optimizations V2

Conflicts:
	arch/arm/Makefile
	arch/arm/vfp/Makefile
cpufreq: add SmartMax Governor

Conflicts:
	drivers/cpufreq/Makefile
	include/linux/cpufreq.h
update configs