The C library already knows how to lookup eui64 entries from NIS. For
example, fwcontrol(8) does it. But /var/yp/Makefile.dist doesn't build the
eui64 maps, and ypinit(8) doesn't push them to slaves. This change fixes
that.
Reviewed by: brooks, wblock
MFC after: 2 weeks
Sponsored by: SpectraLogic Corp
Differential Revision: https://reviews.freebsd.org/D3404