staging: updated Zcache and Zram with LZO/SNAPPY/LZ4 algoritm selection

Conflicts:

	drivers/cpufreq/Kconfig
	drivers/staging/Kconfig
	drivers/staging/Makefile
	drivers/staging/snappy/csnappy.h
	drivers/staging/snappy/csnappy_compress.c
	drivers/staging/snappy/csnappy_decompress.c
	drivers/staging/snappy/csnappy_internal.h
	drivers/staging/zram/zram_drv.c
	drivers/staging/zram/zram_drv.h
	drivers/staging/zram/zram_sysfs.c

Conflicts:

	drivers/staging/Kconfig
	drivers/staging/Makefile
	drivers/staging/snappy/csnappy.h
	drivers/staging/snappy/csnappy_compress.c
	drivers/staging/snappy/csnappy_decompress.c
	drivers/staging/snappy/csnappy_internal.h
change Toolchain path to use sabermod-arm-eabi-4.7.4
cleanup
squeeze some RAM out of Android-Logger
cpu:1228MHz lowest 61MHz gpu:300MHz added
add frandom module