Our other constants also use "ATALK".
Added many new ETHERTYPE constants to sys/net/ethertypes.h, including the
ones from libpcap and tcpdump "ethertype.h" files.
from toccata.fugue.com. Ported to netbsd by Bill Studenmund.
Changes:
- KNF
- remove endian.h
- adapt to the new arp code.
- fix small biff's with spl/splx.