iputils: Create alternative links for arping and traceroute6
iputils: Create alternative links for arping and traceroute6

arping and traceroute6 are also provided by busybox,
define alternative links to avoid conflict with busybox.

Signed-off-by: Trung Do <64081e6b7eb2b24289b8a4e51cef9836ddf28af2@toshiba-tsdv.com>

meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian