Revert "Another OC Method"

This reverts commit 2964f2bfcd006655a41b106cf78b338cc2736d2a.

	new file:   arch/arm/boot/compressed/ashldi3.S
	modified:   arch/arm/configs/asdk_grouper_defconfig
	modified:   arch/arm/mach-tegra/Kconfig
	modified:   arch/arm/mach-tegra/common.c
	modified:   arch/arm/mach-tegra/cpu-tegra.c
	modified:   arch/arm/mach-tegra/tegra3_clocks.c
	modified:   arch/arm/mach-tegra/tegra3_dvfs.c
	modified:   arch/arm/mach-tegra/tegra3_speedo.c
	modified:   drivers/cpufreq/cpufreq.c