Revert "added GPU O/C freq 487.5MHz"

This reverts commit 19631f811fa75afff8ea058485fbcc242a3d6e24.
Voltage Control: generic voltage control for DTS based kernels

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:
	arch/arm/mach-msm/clock-krait-8974.c
	drivers/cpufreq/cpufreq.c