Revert "Added kernel config option 'OMAP_SCREENOFF_MAXFREQ'."

This reverts commit ccbd49d595652dae2cc5fc146cf59bed5d69498b.

Conflicts:

	arch/arm/mach-omap2/Kconfig
	arch/arm/mach-omap2/omap2plus-cpufreq.c
end if missing
The headset power mode is kept on high-performance while no headset is
plugged in and changed to the user defined mode as soon as a headset
is plugged in.

Conflicts:

	sound/soc/codecs/twl6040.c

Conflicts:

	sound/soc/codecs/twl6040.c