$ sudo apt-get update
$ sudo apt-get install libitm1-ppc64el-cross 

libitm1-ppc64el-cross is installed in your system.

Make ensure the libitm1-ppc64el-cross package were installed using the commands given below,

$ sudo dpkg-query -l | grep libitm1-ppc64el-cross *

You will get with libitm1-ppc64el-cross package name, version, architecture and description in a table

libitm1-ppc64el-cross package basic information: