This blob can be found at the following locations:

https://github.com/allwinner-zh/bootloader
	u-boot-2011.09/board/sunxi/sun8iw6/box_standby/cpus_pm/cpus_pm_binary.code

https://github.com/BPI-SINOVOIP/BPI-M3-bsp
	u-boot-sunxi/board/sunxi/sun8iw6/box_standby/cpus_pm/cpus_pm_binary.code
