batman-adv: Distributed ARP Table - add runtime switch

This patch adds a runtime switch that enables the user to turn the DAT feature
on or off at runtime

Signed-off-by: Antonio Quartulli <ordex@autistici.org>

diff --cc net/batman-adv/distributed-arp-table.c
Simple merge

diff --cc net/batman-adv/soft-interface.c
Simple merge

diff --cc net/batman-adv/sysfs.c
Simple merge

diff --cc net/batman-adv/types.h
Simple merge