[PATCH] Doc/lockdep-design: explain display of {state-bits}

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>