batman-adv: protect the local and the global trans-tables with rcu

The local and the global translation-tables are now lock free and rcu
protected.

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Acked-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>

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

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

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

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

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