[PATCH] There is no devfs, there has never been a devfs, we have always been at war with...

Jon Smirl noted a couple of tty driver functions now are quite misleadingly
named with the death of devfs.  A quick grep found another case in the lp
driver.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>