hippi: Move the HIPPI driver

Move the HIPPI driver into drivers/net/hippi/ and make the
necessary Kconfig and Makefile changes.

CC: Jes Sorensen <jes@wildopensource.com>
CC: Jes Sorensen <jes@trained-monkey.org>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --cc MAINTAINERS
Simple merge

diff --cc drivers/net/Kconfig
Simple merge

diff --cc drivers/net/Makefile
Simple merge

diff --cc drivers/net/hippi/Kconfig
Simple merge

diff --cc drivers/net/hippi/Makefile
Simple merge

diff --cc drivers/net/hippi/rrunner.c
Simple merge

diff --cc drivers/net/hippi/rrunner.h
Simple merge