missing dependencies for USB drivers in input

stuff that does select USB should depend on USB_ARCH_HAS_HCD, or we'll
end up with unbuildable configs.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 2ccc114..eb0167e 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -111,6 +111,7 @@
 
 config MOUSE_APPLETOUCH
 	tristate "Apple USB Touchpad support"
+	depends on USB_ARCH_HAS_HCD
 	select USB
 	help
 	  Say Y here if you want to use an Apple USB Touchpad.