This blob can be found at the following locations:

https://github.com/Allwinner-Homlet/H3-BSP4.4-tools
	pack/chips/sun50iw7p1/bin/scp.bin

https://github.com/lindenis-org/device
	petrel/bootloader/scp.bin

http://files.pine64.org/os/sdk/A64-ver4.0/A64-BSP-4.0.tar.gz
	tools/pack/chips/sun8iw7p1/bin/scp.bin
