Added CPUfreq governor 'wheatley'.
(cherry picked from commit 4dafc973c730f9b633c0cf8ae99ed177af4c3cb1)

Conflicts:

	drivers/cpufreq/Kconfig
	drivers/cpufreq/Makefile
	include/linux/cpufreq.h

Conflicts:

	drivers/cpufreq/Kconfig
	drivers/cpufreq/Makefile
	include/linux/cpufreq.h

Conflicts:

	arch/arm/configs/msm8960_mmi_defconfig
	drivers/cpufreq/Kconfig
	drivers/cpufreq/Makefile
	include/linux/cpufreq.h
Update