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/joystick/Kconfig b/drivers/input/joystick/Kconfig
index 82f563e..b002345 100644
--- a/drivers/input/joystick/Kconfig
+++ b/drivers/input/joystick/Kconfig
@@ -255,6 +255,7 @@
 
 config JOYSTICK_XPAD
 	tristate "X-Box gamepad support"
+	depends on USB_ARCH_HAS_HCD
 	select USB
 	help
 	  Say Y here if you want to use the X-Box pad with your computer.