Merge branch 'CAIF-Kconfig-fixes'

Randy Dunlap says:

====================
CAIF Kconfig fixes

This series of patches cleans up the CAIF Kconfig menus in
net/caif/Kconfig and drivers/net/caif/Kconfig and also puts the
CAIF Transport drivers into their own sub-menu.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>