/usr/bin/powerpc-linux-gnu-objdump is in binutils-powerpc-linux-gnu 2.24-2ubuntu1cross0.10.
This file is owned by root:root, with mode 0o755.
It is a symlink to /usr/bin/./usr/powerpc-linux-gnu/bin/objdump
/usr/bin/./usr/powerpc-linux-gnu/bin/objdump