add back CONFIG_GPU_OC

Conflicts:
	arch/arm/Kconfig
	include/config/tristate.conf

Change-Id: I98832f2588473005cbca49514ba1b3d94475b1fb
UKSM

Change-Id: Ic277f2bdfc1bd8acd9b1ed1437b95c342a479931
arch/arm/configs/: Update Vision

Change-Id: Ia57138af28bd298ac261044a4691a21fe242a765