Refactor Kconfig content to maximize nesting of menus by menuconfig and
xconfig.

Tested by simultaneously running `make xconfig` with and without
patch, and comparing displays.
Signed-off-by: NDon Mullis <dwm@meer.net>
Signed-off-by: NRandy Dunlap <rdunlap@xenotime.net>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>