/usr/arm-linux-gnueabi/bin/readelf is in binutils-arm-linux-gnueabi 2.30-15ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/arm-linux-gnueabi/bin/../../bin/arm-linux-gnueabi-readelf
/usr/arm-linux-gnueabi/bin/../../bin/arm-linux-gnueabi-readelf