Add UKSM 0.1.2

Conflicts:
	arch/arm/configs/KT747_d2att_defconfig
	arch/arm/configs/KT747_d2spr_defconfig
	arch/arm/configs/KT747_d2usc_defconfig
	arch/arm/configs/KT747_d2vzw_defconfig
UKSM: Upgrade to 0.1.2.2
Enable uksm