/usr/arm-linux-gnueabihf/lib/libgomp.so.1 is in libgomp1-armhf-cross 4.6.3-1ubuntu5cross1.63.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/arm-linux-gnueabihf/lib/libgomp.so.1.0.0
/usr/arm-linux-gnueabihf/lib/libgomp.so.1.0.0