Remove r3p1 drivers, update defconfig

Change-Id: Idb9131995524b3d43ed425814fa81c04e8fe316e

Conflicts:

	arch/arm/configs/cyanogenmod_i9300_defconfig
	drivers/media/video/samsung/mali/arch-orion-m400/config.h
	drivers/media/video/samsung/mali/common/mali_kernel_mem_os.c
	drivers/media/video/samsung/mali/platform/mali_platform.h
	drivers/media/video/samsung/mali/platform/orion-m400/mali_platform_dvfs.c
	drivers/media/video/samsung/mali/platform/pegasus-m400/mali_platform_dvfs.c

Conflicts:
	arch/arm/configs/cyanogenmod_i9300_defconfig