This blob can be found at the following locations:

https://github.com/Allwinner-Homlet/H3-BSP4.4-tools
	pack/chips/sun50iw1p1/bin/scp.bin

https://github.com/Allwinner-Homlet/H6-BSP4.9-tools
	pack/chips/sun50iw1p1/bin/scp.bin

http://files.pine64.org/os/sdk/A64-ver2.0/A64-BSP-2.0-GPL.tar.gz
	lichee/tools/pack/chips/sun50iw1p1/bin/scp.bin

http://dl.linux-sunxi.org/H6/H6-lichee-v1.1.tar.gz
http://files.pine64.org/os/sdk/H64-ver1.1/H6-lichee-v1.1.tar.gz
	tools/pack/chips/sun50iw1p1/bin/scp.bin
