/usr/mips-linux-gnu/lib/libgnat-5.so is in gnat-5-mips-linux-gnu 5.3.1-14ubuntu2cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/mips-linux-gnu/lib/libgnat-5.so.1
/usr/mips-linux-gnu/lib/libgnat-5.so.1