conf: oui: update oui.conf

Update oui.conf using oui-update.py

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
dissectors: Include protos.h in some dissectors for protocol ops declaration

Fixes sparse warnings like the following in some dissectors:

proto_arp.c:158:17: warning: symbol 'arp_ops' was not declared. Should it be static?

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>