[PATCH] USB: ub documentation update

The patch which went in was correct, but not quite what I had in mind.
Here is a patch to update that a little bit. Original patch is at:
 http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4749f32da939d4e4160541b2cadc22492bb507ec

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/usb/mon/Makefile

@@ -4,4 +4,5 @@
 
 usbmon-objs	:= mon_main.o mon_stat.o mon_text.o
 
+# This does not use CONFIG_USB_MON because we want this to use a tristate.
 obj-$(CONFIG_USB)	+= usbmon.o